BB40 One Way Clutches Sprag Type (40x80x22mm) One Way Bearings Cam Clutch Made in China

Product

Features

One Way Clutches Sprag Type mainly used as Backstop clutches(Most suitable as

backstops, and mostly the contact-free versions);
Backstop clutches:The freewheel allows rotation in one direction only. It overruns

continuously during operation. The freewheel prevents reverse rotation if the drive

is disconnected.

Series

Introduction

General information of Installation and usage for BB series Cam Clutch
1. BB series Cam Clutch is designed for press fit installation.
2. BB-1K-K and BB-2GD 1K-K series have a keyway on the inner race. Keyways,

except size 25 are
manufactured to DIN 6885. 3, BB40-1K-K and BB40-2GD 1K-K are manufactured to DIN 6885. 1.
3. BB-2K-K series has a keyway on both the inner and outer race.
“-K” means keys shipped together with Cam Clutch.
4. Correct interference dimensions at the shaft and the housing must be maintained to

obtain maximum bearing and clutch performance.
5. Refer to the table on next page for tolerance of the shaft and housing for each series.
6. BB, BB-1K and BB-2K Clutches, bearing supported and delivered with grease have

dust seal protection against particles of 0.25mm and over, whereas BB-2GD and

BB-2GD-1K clutches, 5mm wider than standard BB series, have special lip seals for effective

protection against any dust.
7. The arrow on the inner race shows the direction of inner race engaging.
8. To install the clutch, use a press tool of the appropriate diameter to apply even

pressure over the entire face of the inner and outer race.
9. Do not hammer or apply other shock to the clutch.
10. Make sure the housing has enough strength to withstand the pressure required for

the press fitting installation of the Clutch.
11. Operating temperature range: –30°C to +100°C (Consult us for the temperature that exceeds this range).

Series

Model No.

BB15 BB17 BB20 BB25 BB30 BB35 BB40

BB15-2GD BB17-2GD BB20-2GD BB25-2GD BB30-2GD BB35-2GD BB40-2GD

Reducers , Flender Gearbox ,SEW Gearbox;
Overrunning clutch:for multiple-machine drives or to separate the inertia of masses of a driven machine from the driving
machine after it has been switched off.
Indexing clutch:which turns a shaft step by step, thus achieving indexed material feed or a variable

speed.
Backstop clutch:to prevent a machine shaft turning backwards. In this case the overrunning clutch acts

as a brake.