Semi Precision Bearings

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Overview

Semi-precision bearings incorporating turned steel inner race, pressed steel outer race and housing.
All ball contact surfaces are case hardened to ensure a long trouble free service.
Supplied lightly oiled or greased for gravity/powered applications.
All housings are designed to be a swaged fit with the flange registering against the tube. This process is usually carried out using a hydraulic press.
All products are zinc plated finish as standard.
Special bore sizes are available on request.
Designed to be free running.
The Medium Duty bearing range is fitted with a nylon cage to keep operating noise to a minimum.
The Heavy Duty (HD) bearing range offers a full compliment, crowded race construction for increased load carrying capabilities.

Medium Duty Caged BB

The medium duty bearing range is fitted with a nylon cage to keep operating noise to a minimum.

Heavy Duty BB (HD)

The heavy duty range offers a full compliment, crowded race construction for increased load carrying capabilities.

REFERENCE	A +/- 0.1mm	B +/- 0.2mm	C mm	D + 0.15 mm	LOAD RATING Kg	TUBE Ø x wall mm
BB 30 X 1.5	27.3	9.4	3.7	Ø6.2 Ø8.2 Ø10.2	30	30 X 1.5
BB 40 x 1.5	37.3	10	3.7	Ø8.2 Ø10.2 8.2 Hex 11.2 Hex	80	40 x 1.5
BB 50 x 1.5	47.3	11.5	3.7	Ø8.2 Ø10.2 Ø12.2 11.2 Hex	80	50 x 1.5
BB 50 x 1.5 HD	47.3	11.5	3.7		120	50 x 1.5
BB 60 x 1.5 HD	57.3	13.3	3.7		120	60 x 1.5
BB 60 x 2.0 HD	56.3	13.3	3.7	Ø10.2 Ø12.2 8.2 Hex 11.2 Hex	120	60 x 2.0