Unit of Measure

Technical Specifications

Type

Spherical Roller Bearing

Bore Type

Tapered

Material

Through Hardened Steel

Cage Type

Pressed

Cage Material

Steel

Limiting Speed - Oil

2000 rpm

Limiting Speed - Grease

1600 rpm

e

0.29

Y1

2.35

Y2

3.50

Y0

2.30

Series

231

Radial Internal Clearance

C2

Ring Modification

Relube

Tolerance

JIS-0 RBEC-1

Taper

1:12

Static Load Rating

305000 lbf1350000 N1350.00 kN

Dynamic Load Rating

238000 lbf1060000 N1060.00 kN

Enclosure

Open

Weight

33.51 lb15.200 kg

Operating Temperature Range

-40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


Spherical Roller Bearing w/ Tapered Bore & Oil Groove - Dimensions

d

5.9055 in150.000 mm

D

9.8425 in250.000 mm

B

3.1496 in80 mm

d1

6.7323 in171.000 mm

D1

8.7795 in223.000 mm

r

0.0827 in2.1 mm

W0

0.5118 in13.000 mm

d0

0.2362 in6.000 mm

da min

6.3780 in162.000 mm

Da max

9.3701 in238.000 mm

ras max

0.0827 in2.100 mm