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1325 Ross st
PETALUMA
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707-769-5600

bearing size guide

 

BEARING SIZE GUIDE

 

HUB BEARINGS

 
BEARINGS 6901.jpg

bearings 6902.jpg

bearings 17287.jpg

bearings 3802-w.jpg

6901-2RS

This is the 6901 ABEC 5 bearing with dimensions of 12 x 24 x 6mm.

(Grey seal should face outward for better protection)

We use two in the following Front hub:

  • T11 Front

 

6902-2RS

This is the 6902 ABEC 5 bearing with dimensions of 15 x 28 x 7.

(Grey seal should face outward for better protection)

We use two in the following front hubs:

  • ENO

  • TRACK

We use two in the following rear hubs:

  • CLD/CLD+

  • XMR/XMR+/XMR Tandem

  • C157

  • T11

  • Mi5

  • ENO

  • Track

 

17287-2RS

This is the 17287 ABEC 5 bearing with dimensions of 17 x 28 x 7mm.

(Grey seal should face outward for better protection)

We use two of these in the following Front hubs:

  • CLD/CLD+

  • XMR/XMR+

  • Mi5

 

3802-W-2RS

This is the 3802W ABEC 3 bearing with dimensions of 15 x 24 x 10.

We use one in the following freehub body:

  • Shimano HG

We use two in the following freehub bodies:

  • SRAM XD/XDR

  • Campy

  • Shimano Micro Spline

Note: Two 6802s can be substituted for one 3802W.

 

FREEWHEEL BEARINGS

 

6708-2RS

This is the 6708 ABEC 3 bearing with dimensions of 40 x 50 x 5.

  • 16T

  • 16/18T

  • 16/19T

 


BOTTOM BRACKETS BEARINGS

6808-2RS

This is the 6808 ABEC 5 bearing with dimensions of 40 x 52 x 7.

  • 17-23t

  • 18, 20, 22T Trials

  • 17/19T

 

 

6903-2RS

This is the 6903 ABEC 5 angular-contact bearing with dimensions of 17 x 30 x 7.

  • Square Taper bottom bracket

 


2237-2RS

This is the 2237 with extended inner race ABEC 3 bearing with dimensions of 22 x 37 x 8.

  • SRAM GXP spindles.

*one side is 2237 other side of GXP BB’s is 2437

 


2437-2RS

This is the 2437 ABEC 5 angular-contact bearing with dimensions of 24 x 37 x 7mm.

(Green seal should face outward)

  • 24mm BSA

  • 24mm internal T47

  • 24mm external T47

 


6806/29-2RS

This is the 6806/29 ABEC 5 angular-contact bearing with dimensions of 29 x 42 x 7.

(Green seal should face outward)

  • 30mm BSA

  • 30mm internal T47

  • 30mm external T47

  • PF30.

 


6806-2RS

This is the 6806 ABEC 5 angular-contact bearing with dimensions of 30 x 42 x 7.

(Green seal should face outward)

  • 30mm BSA

  • 30mm internal T47

  • 30mm external T47

  • PF30.

 

HEADSET BEARINGS

 

3645SS-2RS

This is the 3645SS headset bearing for a 1 1/8” steer tube. Its dimensions are 30.2 x 41 x 6.5 and its chamfer angles are 36° x 45°.

We use this with:

  • External 34 Top 1 1/8

  • External 34 Bottom 1 1/8

  • Integrated 41 Top 1 1/8

  • Zero Stack 44 Top 1 1/8

  • Zero Stack 44 Bottom 1 1/8

 


36451125SS-2RS

36451125ss: This is the headset bearing for a 1 1/8” steer tube. Its dimensions are 28.6 x 42mm and its chamfer angles are 36° x 45°.

We use this with:

  • Integrated 42 Top 1 1/8

  • Integrated 42 Bottom 1 1/8

 


6808CC-2RS

This is the 6808CC bottom headset bearing. Its dimensions are 40 x 52 x 6.5mm and its chamfer angles are 36° x 45°.

We use this with:

  • External 44 Bottom 1 1/8, 1 ¼, 1 ½

  • Integrated 52 Bottom 1 1/8, 1 ¼, 1 ½

  • Zero Stack 56 Bottom 1 1/8, 1 ¼, 1 ½