Maedler North America

Part number (SKU) BB25-1K-K
d [mm] 25
D [mm] 52
D1 [mm] 47,1
B [mm] 15
r [mm] 1,0
b2 JS10 [mm] 8
t1 [mm] 3,6 1)
t2 [mm] 1,5 1)
Keyway inner race w x h x l [mm] 8 x 5 x 15
Torque [Nm] 78
Drag torque [Nm] 0,017
Max. overrunning inner race [min 1] 2500
Max. overrunning outer race [min 1] 1400
Load rating radial dyn. C [N] 10700
Load rating radial stat. C0 [N] 6300
Weight [g] 150

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CAD FILES (download)

ADDITIONAL INFORMATION

If you need a rework or a custom-made-product please contact us directly with your inquiry.

The supplied 3D models, pictures and technical drawings are made with reasonable care.
Nevertheless liability is excluded for the accuracy and correctness of this data.

Weight 0.17 kg
Dimensions 81.5 × 81.5 × 32 cm
d (mm)

D1 [mm]

B [mm]

r [mm]

b2 JS10 [mm]

t1 [mm]

t2 [mm]

Torque [Nm]

Drag torque [Nm]

Load rating radial dyn. C [N]

Load rating radial stat. C0 [N]

Weight [g]

Ball bearing freewheel BB25-1K-K inner diameter 25mm outer diameter 52mm width 15mm with keyway at the inner ring PN: BB25-1K-K

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.

$75.26

Ships within 1-2 weeks

Ball bearing freewheel BB25-1K-K inner diameter 25mm outer diameter 52mm width 15mm with keyway at the inner ring PN: BB25-1K-K

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