TSUBAKI EMERSON CAM CLUTCH

Description

BEARING TYPE CAM CLUTCH

General information of Installation and usage for Bearing type Cam Clutch

1.	Bearing type Cam Clutch series are designed for press fit installation.
2.	BB-1 K and BB-2GD 1 K series have a keyway on the inner race. Keyways, except size 25 are manufactured by DIN 6885, 3 BB40-1K and BB40-2GD 1K is manufactured by DIN 6885.
3.	BB-2K series has a keyway on both the inner and outer race.
4.	Correct interference dimensions at the shaft and the housing must be maintained to obtain maxium bearing and clutch performance.
5.	Refer tothe table in next page for tolerance of the shaft and housing for each series.
6.	BB-2GD and BB-2GD 1K series have special lip seals for the effective protection against 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 sithstand 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).

Lubrication

Since grease is already applied before delivery, there is no need

to apply and grease before use.

If the clutch is used with an oil lubricant, the oil lubrication

should be applied inside the unit always.

Do not use greases or lubricants with EP additives.

BEARING TYPE CAM CLUTCH BB, BB-1K, BB-2K, BB-2GD, BB-2GD 1K

Dimensions and Capacities

Note : Model No. marked on the inner race is only "K" for both

"1K" and "2K".

(Example : the mark "BB 17-K" for both BB 17-1K and BB 17-2K)

Tolerance for shaft and Housing

Model		Shaft Dia	Hosing Dia
BB 15	BB 15-2GD	15 + 0.023 + 0.012	35 - 0.012 - 0.028
BB17	BB 17-2GD	17 + 0.023 + 0.012	40 - 0.012 - 0.028
BB20	BB20-2GD	20 + 0.028 + 0.015	47 - 0.012 - 0.028
BB25	BB25-2GD	25 + 0.028 + 0.015	52 - 0.014 - 0.028

Model		Shaft Dia	Hosing Dia
BB 15 -1K	BB 15-2GD 1K	15 - 0.008 - 0.028	35 - 0.012 - 0.028
BB17 -1K	BB 17-2GD 1K	17 - 0.008 - 0.028	40 - 0.012 - 0.028
BB20 -1K	BB20-2GD 1K	20 - 0.010 - 0.031	47 - 0.012 - 0.028
BB25 - 1K	BB25-2GD 1K	25 - 0.010 - 0.031	52 - 0.014 - 0.033
BB30 -1K	BB30-2GD 1K	30 - 0.010 - 0.031	52 - 0.014 - 0.033

Dimensions in mm

	Dimensions of keyways	Dimensions in mm

Note : The dimension of 12 of BB25-1K, BB25-2K and BB25-2GD

1K is 0.5 mm

shallow compare to DIN 6885.3.
Process the keyway on the shaft 0.5mm deeply to use DIN standard key.
All other models are dimensionally interchangeable with competitors.