One Way Bearing KOYO BB17-2K-K Ball Bearing Freewheel Clutch Bearings

Part number (SKU)	BB17-2K-K
d [mm]	17
D [mm]	40
D1 [mm]	36,1
B [mm]	12
r [mm]	0,6
b1 JS9 [mm]	2
t [mm]	1,0
b2 JS10 [mm]	5
t1 [mm]	1,9
t2 [mm]	1,2
Keyway inner race w x h x l [mm]	5 x 3 x 12
Keyway outer race w x h x l [mm]	2 x 2 x 12
Torque [Nm]	43
Drag torque [Nm]	0,010
Max. overrunning inner race [min 1]	3500
Max. overrunning outer race [min 1]	1900
Load rating radial dyn. C [N]	7000
Load rating radial stat. C0 [N]	3700
Weight [g]	80

These sprag freewheels with integrated ball bearings in premium quality can be used as indexing freewheels, backstops or overrunning clutches. They are installed in housings provided by the customer.


Design BB: Standard freewheels. Sealed on the sprag side with a z-washer. On the bearing side, the freewheel closes with the bearing cage. The BB design has the same dimensions as ball bearing series 62.


Version 2KK: With keyway on inner ring according to DIN 6885-3 and additionally with groove on the outer ring.


The keyways are included in the delivery. Please refer to the footnotes for the keyways.


Lubrication: The freewheels are filled with grease for normal operating conditions and are maintenance-free. Do not use greases or lubricants with EP additives.


Temperature range: -30°C to + 100°C.