Print Back
Unit of Measure

Technical Specifications

Type

Spherical Roller Bearing

Bore Type

Round

Material

Through Hardened Steel

Cage Type

Pressed

Cage Material

Steel

Limiting Speed - Oil

2500 rpm

Limiting Speed - Grease

2000 rpm

e

0.28

Y1

2.43

Y2

3.61

Y0

2.37

Series

231

Radial Internal Clearance

CN

Ring Modification

Relube

Tolerance

JIS-0 RBEC-1

Static Load Rating

184000 lbf820000 N820.00 kN

Dynamic Load Rating

149000 lbf663000 N663.00 kN

Enclosure

Open

Weight

16.799 lb7.620 kg

Operating Temperature Range

-40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


Spherical Roller Bearing w/ Standard Bore & Oil Groove, 231 Series - Dimensions

d

4.7244 in120.000 mm

D

7.87400 in200.000 mm

B

2.4409 in62 mm

d1

5.4331 in138.000 mm

D1

7.0472 in179.000 mm

r

0.07870 in2.000 mm

W0

0.3937 in10.000 mm

d0

0.1772 in4.500 mm

da min

5.1575 in131 mm

Da max

7.4409 in189 mm

ras max

0.0787 in2.000 mm