Ball bearing freewheel BB40-1K-K inner diameter 40mm outer diameter 80mm width 22mm with keyway at the inner ring SKU: BB40-1K-K - Maedler North America
![Ball bearing freewheel BB40-1K-K inner diameter 40mm outer diameter 80mm width 22mm with keyway at the inner ring SKU: BB40-1K-K - Maedler North America](https://maedlernorthamerica.com/wp-content/uploads/2022/12/Freilauf_TS_BB-1K-K.jpg)
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 1KK: With keyway on inner ring according to DIN 6885-3. The key is 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.Other versions on request.1) The keyway depth t2 is 0,5mm shallower than specified in DIN 6885-3. When using a DIN parallel keyway t1 must be manufactured correspondingly deeper than specified in the DIN standard.2) The dimension B does not correspond to the ball bearing 6208 with the dimensions 40 x 80 x 18mm.3) Contrary to the above specifications, the keyway is according to DIN 6885-1.
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