Ball bearing freewheels, Design BB-2GD-1KK

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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-2GD: As design BB, but 5mm wider and with lip seal on both sides against dust and splash water.

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.
3) Contrary to the above specifications, the keyway is according to DIN 6885-1.

SKU d [mm] D [mm] D1 [mm] B [mm] r [mm] b2JS10 [mm] t1 [mm] t2 [mm] Passfeder Innenringb x h x l [mm] Drehmoment [Nm] Schleppmoment [Nm] max. Überholdrehzahl Innenring [min-1] max. Überholdrehzahl Außenring [min-1] Tragzahlenradial dyn. C [N] Tragzahlenradial stat. C0 [N] Gewicht [g]
BB15-2GD1K-K 15 35 32,45 16 0,6 5 1,9 1,2 5 x 3 x 16 29 0,040 3600 2000 5950 3230 70
BB17-2GD1K-K 17 40 36,45 17 0,6 5 1,9 1,2 5 x 3 x 17 43 0,050 3500 1900 7000 3700 100
BB20-2GD1K-K 20 47 42,35 19 1,0 6 2,5 1,6 6 x 4 x 19 61 0,055 3000 1600 8500 4900 150
BB25-2GD1K-K 25 52 47,05 20 1,0 8 3,6 1) 1,5 1) 8 x 5 x 20 78 0,055 2500 1400 10700 6300 200
BB30-2GD1K-K 30 62 55,6 21 1,0 8 3,1 2,0 8 x 5 x 21 140 0,058 2000 1100 11900 7900 280
BB35-2GD1K-K 35 72 64,6 22 1,1 10 3,7 2,4 10 x 6 x 22 173 0,060 1800 1000 13500 9700 410
BB40-2GD1K-K 40 80 71,6 27 1,1 12 5,0 3) 3,3 3) 12 x 8 x 27 260 0,080 1800 900 14500 11700 600