ProductsAccuride® - Telescopic Slides and Linear GuidesUnder constructionBall bearing freewheels, Design BB-2K-K

Ball bearing freewheels, Design BB-2K-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 without keyways. 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 keys of the 1KK / 2KK versions 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.

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.

services: online CAD catalog further information

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.

part number d
[mm]
D
[mm]
D1
[mm]
B
[mm]
r
[mm]
b1JS9
[mm]
t
[mm]
b2JS10
[mm]
t1
[mm]
t2
[mm]
Passfeder Innenring b x h x l
[mm]
Passfeder Außenring b x h x l
[mm]
Torque
[Nm]
Schleppmoment
[Nm]
max. Überholdrehzahl Innenring
[min-1]
max. Überholdrehzahl Außenring
[min-1]
Tragzahlen radial dyn. C
[N]
Tragzahlen radial stat. C0
[N]
Gewicht
[g]
BB15-2K-K CAD 15 35 32,6 11 0,6 2 0,6 5 1,9 1,2 5 x 3 x 11 2 x 2 x 11 29 0,010 3600 2000 5950 3230 50
BB17-2K-K CAD 17 40 36,1 12 0,6 2 1,0 5 1,9 1,2 5 x 3 x 12 2 x 2 x 12 43 0,010 3500 1900 7000 3700 80
BB20-2K-K CAD 20 47 41,7 14 1,0 3 1,5 6 2,5 1,6 6 x 4 x 14 3 x 3 x 14 61 0,014 3000 1600 8500 4900 120
BB25-2K-K CAD 25 52 47,1 15 1,0 6 2,0 8 3,6 1) 1,5 1) 8 x 5 x 15 6 x 4 x 15 78 0,017 2500 1400 10700 6300 150
BB30-2K-K CAD 30 62 56,6 16 1,0 6 2,0 8 3,1 2,0 8 x 5 x 16 6 x 4 x 16 140 0,030 2000 1100 11900 7900 230
BB35-2K-K CAD 35 72 64,0 17 1,1 8 2,5 10 3,7 2,4 10 x 6 x 17 8 x 5 x 17 173 0,034 1800 1000 13500 9700 320
BB40-2K-K CAD 40 80 71,0 22 2) 1,1 10 3,0 12 5,0 3) 3,3 3) 12 x 8 x 22 10 x 6 x 22 260 0,040 1800 900 14500 11700 400