RU Series Crossed Roller Bearing

RU series crossed roller bearing also can be named CRBF crossed roller bearing.

It is integrated for both the inner ring and outer ring. So suitable for inner and outer rotating accuracy required product. With mounting holes, it is very easy to install and installation does not affect its accuracy. The precision we can produce for RU series cross roller bearing can be from P6 to P2.

Model number naming method:

E. g: RU178 UU CC0 P2 BG X -N

RU178: bearing model;

UU: both sides with a seal; U: one side with a seal;

Radial clearance:

CC0: negative clearance(preload); C0: positive clearance; C1: great than C0 positive clearance;

P2: precision grade, P0 if without stated;

The symbol for accuracy required position:

B: both the inner ring and outer ring required rotating accuracy;

R: outer ring required rotating accuracy;

No symbol: inner ring required rotating accuracy;

The symbol for assembly direction of the mounting hole:

G: counter boreholes of the inner and outer rings face positive directions;

No symbol: counter boreholes of the inner and outer rings face the direction.

The symbol for inner ring hole:

X: through holes on the inner ring;

No symbol: counter holes on the inner ring

Optional symbol:

-N: with grease nipple;

No symbol: no accessory.

The followings are our standard models of RU series crossed roller bearing, we also accept custom.

http://www.efindbearing.com/