Ultra Bearing Set for Team C TM2 V2/ SC (18 pcs.) The Set contains: 4 pieces ca. 10x15x4mm Ball bearing 2 pieces ca. 4x13x4mm Ball bearing 8 pieces ca. 5x10x4mm Ball bearing 4 pieces ca. 2x6x2.5mm Ball bearing flanged The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt....

Ultra Bearing Set Team C TC10 (23pcs) The Set contains: 4 pieces ca. 10x15x4mm Ball bearing 8 Stück ca. 5x10x4mm Ball bearing 4 Stück ca. 4x8x2.5mm Ball bearing 3 Stück ca. 3x8x3mm Ball bearing 2 Stück ca. 2x6x2.5mm Ball bearing 2 Stück ca. 2x6x2.5mm Ball bearing flanged The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed...

The Set contains: 4 pieces ca. 18x21x4mm Ball bearing 2 pieces ca. 8x19x6mm Ball bearing 10 pieces ca. 8x16x5mm Ball bearing 2 pieces ca. 5x11x4mm Ball bearing 4 pieces ca. 6x10x3mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for...

The Set contains: 4 pieces ca. 14x26x7mm Ball bearing 4 pieces ca. 16x26x5mm Ball bearing 10 pieces ca. 12x24x6mm Ball bearing 2 pieces ca. 8x16x5mm Ball bearing 1 piece ca. 5x16x5mm Ball bearing 1 piece ca. 5x12x4mm Ball bearing 4 pieces ca. 6x10x3mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for...

The Set contains: 4 pieces ca. 15x21x4mm Ball bearing 2 pieces ca. 7x19x6mm Ball bearing 10 pieces ca. 8x16x5mm Ball bearing 4 pieces ca. 4x11x4mm Ball bearing 4 pieces ca. 5x10x3mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for...

Ultra Bearing Set Team Associated B5/B5M (26pcs) The Set contains: 4 pieces ca. 10x15x4mm Ball bearing 2 pieces ca. 6x8x5mm Ball bearing (completely rubber sealed) 2 pieces ca. 6x7x4mm Ball bearing 10 pieces ca. 5 x10x4mm Ball bearing 2 pieces ca. 4x8x3mm Ball bearing 8 pieces ca. 2x7x3mm Ball bearing (completely rubber sealed) The Ball bearings (not flanged) all have one...

Ultra Bearing Set for Associated B6 (22 pcs) The Set contains: 8 pieces ca. 5x10x4mm Ball bearing 4 pieces ca. 10x15x4mm Ball bearing 2 pieces ca. 5x8x3mm Ball bearing 8 pieces ca. 3x7x3mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used...

Associated B7 - Ultra Bearing Set (26 pcs)

The set includes: 8 pieces ca. 7x16x5mm flanged 6 pieces ca. 7x16x5mm 4 pieces ca. 5x13x5mm flanged 4 pieces ca. 4x8x2.5mm 2 pieces ca. 4x10x4mm 4 pieces ca. 5x10x3mm The bearings have a rubber and steel sealed side.

Ultra Bearing Set for Associated RC8B3E (26 pcs) The Set contains: 8 pieces ca. 8x16x5mm Ball bearing flanged 6 pieces ca. 8x16x5mm Ball bearing 4 pieces ca. 6x12x4mm Ball bearing 4 pieces ca. 6x10x3mm Ball bearing 4 pieces ca. 5x8x2mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection...

Ultra Bearing Set for Associated RC8B3.1E (26 pcs) The Set contains: 5 pieces ca. 15x21x4mm Ball bearing 4 pieces ca. 8x16x5mm Ball bearing flanged 6 pieces ca. 8x16x5mm Ball bearing 4 pieces ca. 6x12x4mm Ball bearing 4 pieces ca. 6x10x3mm Ball bearing 4 pieces ca. 5x8x2.5mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber...

Ultra Bearing Set for Associated (28 pcs) The Set contains: 8 pieces ca. 8x16x5mm Ball bearing (flanged) 6 pieces ca. 8x16x5mm Ball bearing 4 pieces ca. 6x12x4mm Ball bearing 2 pieces ca. 5x10x4mm Ball bearing 4 pieces ca. 6x10x3mm Ball bearing 4 pieces ca. 5x8x2.5mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side...

Ultra Bearing Set for Associated TC7 (22 pcs) The Set contains: 4 pieces ca. 10x15x4mm Ball bearing 8 pieces ca. 5x10x4mm Ball bearing 2 pieces ca. 4x8x3mm Ball bearing (flanged) 8 pieces ca. 4x7x2.5mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed...

The Set contains: 8 pieces ca. 9x15x4mm Ball bearing 4 pieces ca. 5x12x4mm Ball bearing 6 pieces ca. 4x10x4mm Ball bearing 4 pieces ca. 4x8x2.5mm Ball bearing 4 pieces ca. 3x7x2.5mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for...

The Set contains: 6 pieces ca. 10x15x4mm Ball bearing 4 pieces ca. 6x14x4mm Thrust bearing 14 pieces ca. 5x10x4mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum smoothness. Our recommendation: The rubber sealed side should...

Ultra Bearing Set Yokomo Bmax4 III (22pcs) The Set contains: 6 pieces ca. 10x15x4mm Ball bearing 2 pieces ca. 8 x14 x4mm Ball bearing 2 pieces ca. 4x13x4mm Ball bearing 8 pieces ca. 5 x10x4 mm Ball bearing 4 pieces ca. 3x8x3mm Ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum...

Ultra Bearing Set for Yokomo YZ-4 (38pcs) The Set contains: 4 pieces ca. 8x15x4mm Ball bearing 2 pieces ca. 5x13x4mm Ball bearing 5 pieces ca. 5x8x2.5mm Ball bearing 7 pieces ca. 3x7x3mm Ball bearing 20 pieces ca. 5x10x4mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and...

Ultra Bearing Set for Hot Bodies D815 The Set contains: 2 pieces ca. 11.5x21 x5mm Ball bearing (completely rubber sealed) 4 pieces ca. 11.5x18 x4mm Ball bearing 12 pieces ca. 7.5x16x5mm Ball bearing 4 pieces ca. 5x10 x3 mm Ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection...

Ultra Bearing Set for Hot Bodies D817 The Set contains: 4 pieces ca. 12x21x5mm Ball bearing 12 pieces ca. 8x16x5mm Ball bearing 2 pieces ca. 12x18x4mm Ball bearing 2 pieces ca. 5x10x4mm Ball bearing 4 pieces ca. 6x10x3mm Ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection...

Ultra Bearing Set for Hot Bodies Pro5 (16 pcs.) - drivetrain only The Set contains: 4 pieces ca. 10x15x4mm Ball bearing 6 pieces ca. 4.5x10x4mm Ball bearing 2 pieces ca. 4.5x10x3mm Ball bearing (steel sealed) 2 pieces ca. 3.5x8x3mm Ball bearing 2 pieces ca. 2x6x2mm Ball bearing flanged (unsealed) The Ball bearings (not flanged) all have one steal sealed and one rubber sealed...

Ultra Bearing Set for Hot Bodies E817 The Set contains: 4 pieces ca. 12x21x5mm Ball bearing 10 pieces ca. 8x16x5mm Ball bearing 2 pieces ca. 12x18x4mm Ball bearing 4 pieces ca. 6x10x3mm Ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed...

Ultra Bearing Set for Schumacher KF2 (26 pcs.) The Set contains: 2 pieces ca. 10x15x4mm Ball bearing 10 pieces ca. 5 x10 x4mm Ball bearing 2 pieces ca. 4.5x9 x3mm Ball bearing 10 p ieces ca. 3x8 x3 mm Ball bearing 2 pieces ca. 4.5x8x3mm Ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for...

Ultra Bearing Set for Schumacher KC (26pcs) The Set contains: 4 pieces ca. 5x11x5mm Ball bearing 6 pieces ca. 5x10x4mm Ball bearing 2 pieces ca. 10x15x4mm Ball bearing 2 pieces ca. 5x10x4mm Ball bearing flanged 10 pieces ca. 4x8x3mm Ball bearing 2 pieces ca. 5x9x3mm ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber...

Ultra Bearing Set for Schumacher KD (24pcs) The Set contains: 2 pieces ca. 5x10x3mm Ball bearing 7 pieces ca. 5x10x4mm Ball bearing 2 pieces ca. 10x15x4mm Ball bearing 1 piece ca. 6x12x4mm Ball bearing 10 pieces ca. 4x8x3mm Ball bearing 2 pieces ca. 5x9x3mm ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed...

Ultra Bearing Set for Schumacher K2 (26pcs) The Set contains: 4 pieces ca. 10x15x4mm Ball bearing 12 pieces ca. 5x10x4mm Ball bearing 4 pieces ca. 5x9x3mm Ball bearing 2 pieces ca. 5x8x2.5mm Ball bearing 2 pieces ca. 4x8x3mm Ball bearing 2 pieces ca. 4x9x3mm Kugellager (flanged) The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is...

Ultra Bearing Set Xray XB4 2021 (22pcs) The Set contains: 8 pieces ca. 10x15x4mm Ball bearing 2 pieces ca. 8x14x4mm Ball bearing 4 pieces ca. 4 x12x4mm Ball bearing 4 pieces ca. 4 x10x4mm Ball bearing 4 pieces ca. 4 x8x2.5mm Ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection...

Ultra Bearing Set for XRAY T4 2021 (25pcs) The Set contains: 4 pieces ca. 10x15x4mm Ball bearing 8 pieces ca. 4 x10x4mm Ball bearing 4 pieces ca. 4x8 x2.5 mm Ball bearing 2 pieces ca. 3 x7 x2.5 mm Ball bearing 7 pieces ca. 2 x6x2.5mm Ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum...

Ultra Bearing Full Set for XRAY NT1 2015 / 2016 (29 pieces) The Set contains: 12 pieces ca. 10x16x4mm Ball bearing (completely rubber sealed) 4 pieces ca. 5.5x13x5 mm Ball bearing (completely rubber sealed) 1 pieces ca. 4.5x10x4mm Ball bearing 2 pieces ca. 4.5x10 x4 mm Ball bearing flanged (completely rubber sealed) 9 pieces ca. 4.5x8x3mm Ball bearing 1 pieces ca. 5x10x1.5mm...

Ultra Bearing Full Set for XRAY NT1 2015 / 2016 Clutch (3 Sets) The Set contains: 3 pieces ca. 4.5 x10x4mm Ball bearing 3 pieces ca. 4.5x8x3mm Ball bearing 3 pieces ca. 5x10x1.5mm Thrust bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side...

Ultra Bearing Full Set for XRAY NT1 2015 / 2016 Hubs The Set contains: 8 pieces ca. 10x16x4mm Ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum smoothness. Our recommendation: The rubber sealed side should always...

Ultra Bearing Set Tekno EB48.2/NB48/ET48/NT48 (28pcs) The Set contains: 4 pieces ca. 13x19x4mm Ball bearing (completely rubber sealed) 8 pieces ca. 8x16x5mm Ball bearing 2 pieces ca. 8x14x4mm Ball bearing 2 pieces ca. 4.5 x13x4mm Ball bearing (completely rubber sealed) 2 pieces ca. 4.5x11x4mm Ball bearing 4 pieces ca. 6x10x3mm Ball bearing 6 pieces ca. 4.5x8x3mm Ball bearing...

Ultra Bearing Set Tekno EB48.4/NB48.4/ET48.3/NT48.3 (30pcs) The Set contains: 4 pieces ca. 13x19x4mm Ball bearing 10 pieces ca. 8x16x5mm Ball bearing 2 pieces ca. 5 x11x4mm Ball bearing 2 pieces ca. 5 x13x4mm Ball bearing 4 pieces ca. 5x10x4mm Ball bearing 4 pieces ca. 6x10x3mm Ball bearing 4 pieces ca. 5x8x2.5mm Ball bearing The Ball bearings (not flanged) all have one...

Ultra Bearing Set Mugen MBX7/MBX7T (24pcs) The Set contains: 4 pieces ca. 15x21x4mm Ball bearing 14 pieces ca. 8x16x5mm Ball bearing 4 pieces ca. 6x10x3mm Ball bearing 2 pieces ca. 4.5x10x4mm Ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal...

Ultra Bearing Set Mugen MBX8 (24 pieces) The Set contains: 4 pieces ca. 14x21x4mm Ball bearing 4 piece ca. 5x13x5mm Ball bearing 2 pieces ca. 4x10x4mm Ball bearing 10 pieces ca. 7x16x5mm Ball bearing 4 pieces ca. 5x10x3mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and...

Ultra Bearing Set Mugen MBX8-ECO (22pcs) The Set contains: 10 pieces ca. 8x16x4mm Ball bearing 4 pieces ca. 6x13x5mm Ball bearing 4 pieces ca. 15x21x4mm Ball bearing 4 pieces ca. 6x10x3mm Ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed...

Ultra Bearing Set for Mugen MBX7R / MBX7TR (24 pcs.) The Set contains: 4 pieces ca. 8x16x5mm Ball bearing 2 pieces ca. 4.5x10 x4mm Ball bearing 8 pieces ca. 6x10x3mm Ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for...

Ultra Bearing Set for Tamiya TB Evo 6 / Evo 6 MS (20pcs) The Set contains: 4 pieces ca. 10x15x4mm Ball bearing 2 pieces ca. 5x8x2.5mm Ball bearing (flanged) 2 pieces ca. 5x8x2.5mm Ball bearing 12 pieces ca. 5x10x4mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt....

Ultra Bearing Set for Tamiya TT01/TT01-E/TT02-B (20pcs) The Set contains: 4 pieces ca. 8x12x3,5mm Ball bearing 12 pieces ca. 5x11x4mm Ball bearing 4 pieces ca. 5x8x2,5mm Ball bearing The Ball bearings (not flanged) all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for...

Ultra Bearing Set for Tamiya TT02 (16pcs) The Set contains: 4 pieces ca. 8x12x3.5mm Ball bearing 4 pieces ca. 5x11x4mm Ball bearing 8 pieces ca. 5x10x4mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum smoothness. Our...

Ultra Bearing Set for Tamiya M06 (18pcs) The Set contains: 12 pieces ca. 5x11x4mm Ball bearing 6 pieces ca. 5x8x2.5mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum smoothness. Our recommendation: The rubber sealed side...

Tamiya M07 Ultra Bearing Set (20 pieces) The Set contains: 2 pieces ca. 10x15x4mm Ball bearing 2 pieces ca. 5x11x4mm Ball bearing 8 pieces ca. 5x10x4mm Ball bearing 5 pieces ca. 5x8x2.5mm Ball bearing 2 pieces ca. 3x7x3mm Ball bearing 1 piece ca. 4x8x3mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for...

The Set contains: 2 pieces ca. 10x15x4mm Ball bearing 8 pieces ca. 4x10x4mm Ball bearing 2 pieces ca. 5x11x4mm Ball bearing 5 pieces ca. 5x8x3mm Ball bearing 3 pieces ca. 4x8x3mm Ball bearing 2 pieces ca. 2.5x7x3mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The...

Ultra Bearing Set for Tamiya TRF102 (8pcs) The Set contains: 4 pieces ca. 5x10x4mm Ball bearing 1 pieces ca. 5x11x4mm Ball bearing 2 pieces ca. 6x10x3mm Ball bearing 1 pieces ca. 8x12x3.5mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is...

Ultra Bearing Set for Tamiya F104 Pro V2 (9pcs) The Set contains: 4 pieces ca. 5x10x4mm Ball bearing 1 pieces ca. 5x11x4mm Ball bearing 2 pieces ca. 6x10x3mm Ball bearing 2 pieces ca. 8x12x3.5mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side...

Ultra Bearing Set for Tamiya TA-02 (22 pcs) The Set contains: 6 pieces 5x8mm Ball bearing 12 pieces 5x11mm Ball bearing 2 pieces 6x12mm Ball bearing 2 pieces 10x15mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum...

Ultra Bearing Set for Tamiya T3-01 - Dancing Raider (14pcs) The Set contains: 8 pieces 6x10x3mm Ball bearing 2 pieces 8x12x4mm Ball bearing 4 pieces 3x6x2.5mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum smoothness. Our...

Ultra Bearing Set for Tamiya TA-03 (22 pcs) The Set contains: 4 pieces 5x8mm Ball bearing 8 pieces 5x11mm Ball bearing 4 pieces 6x12mm Ball bearing 4 pieces 10x15mm Ball bearing 2 pieces 3x7mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is...

The Set contains: 9 pieces ca. 5x11x4mm Ball bearing 1 pieces ca. 5x8x3mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum smoothness. Our recommendation: The rubber sealed side should always be mounted that it faces...

The Set contains: 4 pieces ca. 7x16x5mm Ball bearing 10 pieces ca. 5x11x4mm Ball bearing 4 pieces ca. 4x8x3mm Ball bearing 2 pieces ca. 3x8x3mm Ball bearing 2 pieces ca. 1.5x6x3mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for...

Awesomatix A800(X) Ultra Bearing Set (14 pieces) The Set contains: 13 pieces ca. 6x10x3mm Ball bearing 1 pieces ca. 4x8x3mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum smoothness. Our recommendation: The rubber sealed...

HPI Sport 3 - Ultra Bearing Set (19 pieces) The Set contains: 4 pieces ca. 10x15x4mm Ball bearing 11 pieces ca. 5x10x4mm Ball bearing 4 pieces ca. 5x8x2.5mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum smoothness. Our...

Ultra Thrust Bearing 2.5x6x3mm (2 pcs.) (for TLR, AE, Serpent) 2 pieces ca. 2.5x6x3mm Thrust bearing

Ultra Thrust Bearing 2.6x6x3mm (2 pcs.) (for YOK, TRF, KYO) 2 pieces ca. 2.6x6x3mm Thrust bearing

Ultra Bearing 10x15x4mm (4 pcs.) 4 pieces ca. 10x15x4mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum smoothness. Our recommendation: The rubber sealed side should always be mounted that it faces outwards. Example Hub...

Ultra Bearing 12x18x4mm (4 pcs.) 4 pieces ca. 12x18x4mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum smoothness. Our recommendation: The rubber sealed side should always be mounted that it faces outwards. Example Hub...

Ultra Bearing 15x21x4mm (4 pcs.) 4 pieces ca. 15x21x4mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum smoothness. Our recommendation: The rubber sealed side should always be mounted that it faces outwards. Example Hub...

Ultra Bearing 12x21x5mm (4 pcs.) 4 pieces ca. 12x21x5mm Ball bearing The Ball bearings have two rubber sealed sides.

Ultra Bearing 1.5x4x2mm (4 pcs.) 4 pieces ca. 1.5x4x2mm Ball bearing The Ball bearings have two metal sealed sides.

Ultra Bearing 2x5x2.3mm (4 pcs.) 4 pieces ca. 2x5x2.3mm Ball bearing The Ball bearings all have one steal sealed and one rubber sealed side. The rubber sealed side is used for maximum protection from dust and dirt. The steal sealed side is used for maximum smoothness. Our recommendation: The rubber sealed side should always be mounted that it faces outwards. Example Hub...

Ultra Bearing 4x9x4mm (4 pcs.) 4 pieces ca. 4x9x4mm Ball bearing The Ball bearings have two rubber sealed sides.