Description:

This listing is for the Inner Cam Bearing used on Single Cam Big Twins.

This is the only cam bearing you should use for your Single Cam. These are made in the United States.

Koyo bought the Torrington needle bearing division from Timken in 2011, which acquired Torrington in 2003.

The bearing offered is the B-138, which is suitable for Evolution Single Cam models from 1958 to 1999. 

B-138

Drawn Cup Needle Roller Bearing - Open Ends with Full Complement, 13/16 in Bore, 1-1/16 in OD, 1/2 in Width

OVERVIEW

Needle roller and cage assemblies consist of a complement of needle rollers held in place by a cage

With no inner or outer ring, the low cross section provides maximum load-carrying capability within the smallest envelope

The mating shaft and housing are normally used as inner and outer raceways

Unsealed closure

B Series: Standard Series full complement of mechanically-retained needle rollers

BH Series: Heavy Series full complement of mechanically-retained needle rollers

-OH designates with oil hole for lubrication

SPECIFICATIONS

Cage Material No Cage

Static Load Capacity 5350 lbf

Closure Type Open

Operating Temperature Range Maximum of +250 °F

Outside Diameter 1-1/16 in

Lubrication Hole Type No Hole

Drawn Cup Type Open Ends with Full Complement

Weight 0.04 lbs

Overall Width 1/2 in

Series B

Bore Diameter 13/16 in

Dynamic Load Capacity 3320 lbf

Maximum RPM 5200 RPM

Precision Rating Not Rated

Standards Met ANSI/ABMA 18.2, ASTM F2162

Package Includes :

One (1) BEARING B138 PB L125 KOYO

If you are looking for verifiable quality and 100% genuine bearings,  this is the right product for your application and to avoid damages caused by Counterfeit bearings