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Trapdoor needle bearing

The trap door holds this needle bearing to support the countershaft.
35961-52

This is the same bearing that is pressed into the clutch gear.

The industrial part number is B-1212 or Sonnax #HDNB0004

Part Number B-1212
Bore diameter 3/4 inches
Outside diameter 1 inches
Overall width 3/4 inches
Max speed 5600 RPM
Static load 8710 pounds
Dynamic load 4930 pounds
Spec ASTM F2162
Sportster_Trap-doorsThe Iron Sportster trap door assembly holds the mainshaft, countershaft, and shifter mechanism.


Sportster_35961-52_Trapdoor-needle-bearing_1952-1984.jpg
Sportster 35961-52 trapdoor needle bearing.
Bottom of first column This is the end.