LDK Bearings - Professional bearing manufacturer for all kinds of bearing unit since 1986 

Mounted Ball Bearing Units

LDK Rubber Mounted Pressed steel pillow blocks encased RSA or RSB inserts are designed for use in the HVAC industry. The units consist of a two piece separable pressed steel housing(PB housing) with a light duty ball bearing insert surrounded by a conductive ring to help dissipate static and dampen noise and vibration.Setscrew units have two setscrews 120°apart in the inner ring. Eccentric locking collar units provide locking for one-directional applications.

The rubber rings are made of NBR and can withstand temperatures ranging from -30 to +100°C(-20 to +210°F)

Styles include:
RSBPP - bore ranges from 12-30mm(1/2-1-1/4inch) Setscrew Locking type
RSAPP- bore ranges from 12-30mm(1/2-1-1/4inch) Eccentric collar Locking type

Bearings styles include:

RCSA Series(RCSM Series) Eccentric locking collar type,Cylindrical OD.

RCSB Series(RCSM S Series) Setscrew locking type,Cylindrical OD.

RSA Series( RABR Series) Eccentric locking collar type,Spherical OD.

RSB Series(RABR S Series) Setscrew locking type,Spherical OD.


Bore size ranges from 1/2 inch to 1-1/4 inch, 12mm to 30mm

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They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.

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