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Unit of Measure

Technical Specifications

Type

Spherical Roller Bearing

Bore Type

Tapered

Material

Through Hardened Steel

Cage Type

Machined

Cage Material

Brass

Limiting Speed - Oil

1300 RPM

Limiting Speed - Grease

1000 RPM

e

0.30

Y1

2.28

Y2

3.39

Y0

3.23

Series

231

Radial Internal Clearance

CN

Radial Internal Clearance Specification

Normal

Ring Modification

Relube

Taper

1:12

Static Load Rating

660000 lbf2940000 N2940.00 kN

Dynamic Load Rating

490000 lbf2190000 N2190.00 kN

Enclosure

Open

Weight

111.774 lb50.700 kg

Operating Temperature Range

-40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


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

d

8.6614 in220.000 mm

D

14.5669 in370.000 mm

B

4.7244 in120.000 mm

r

0.1575 in4.000 mm

W0

0.7480 in19.000 mm

d0

0.3543 in9.000 mm

da min

9.3307 in237.000 mm

Da max

13.8976 in353.000 mm

ras max

0.1575 in4.000 mm