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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

3000 rpm

Limiting Speed - Grease

2400 rpm

e

0.28

Y1

2.39

Y2

3.56

Y0

2.34

Series

231

Radial Internal Clearance

CN

Radial Internal Clearance Specification

Normal

Ring Modification

Relube

Taper

1:12

Static Load Rating

127000 lbf563000 N563.00 kN

Dynamic Load Rating

104000 lbf464000 N464.00 kN

Enclosure

Open

Weight

9.348 lb4.240 kg

Operating Temperature Range

-40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


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

d

3.9370 in100.000 mm

D

6.4961 in165.000 mm

B

2.0472 in52 mm

r

0.07870 in2.000 mm

W0

0.3150 in8.000 mm

d0

0.1575 in4.000 mm

da min

4.3701 in111 mm

Da max

6.0630 in154.000 mm

ras max

0.0787 in2.000 mm