Maedler North America

Part number (SKU) BB20
d [mm] 20
D [mm] 47
D1 [mm] 41,7
B [mm] 14
r [mm] 1,0
Torque [Nm] 61
Drag torque [Nm] 0,014
Max. overrunning inner race [min 1] 3000
Max. overrunning outer race [min 1] 1600
Load rating radial dyn. C [N] 8500
Load rating radial stat. C0 [N] 4900
Weight [g] 120

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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 0.14 kg
Dimensions 81.5 × 81.5 × 32 cm
d (mm)

D1 [mm]

B [mm]

r [mm]

Torque [Nm]

Drag torque [Nm]

Load rating radial dyn. C [N]

Load rating radial stat. C0 [N]

Weight [g]

Ball bearing freewheel BB20 inner diameter 20mm outer diameter 47mm width 14mm without keyway PN: BB20

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.

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.

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.

2) The dimension B does not correspond to the ball bearing 6208 with the dimensions 40 x 80 x 18mm.

$54.84

Ships within 1-2 weeks

Quantity Discount (%) Price
1 - 9 $54.84
10 - 24 5.89 % $51.61
25 - 49 8.84 % $49.99
50+ 11.78 % $48.38

Ball bearing freewheel BB20 inner diameter 20mm outer diameter 47mm width 14mm without keyway PN: BB20

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