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Unit of Measure

Technical Specifications

Type

Spherical Roller Bearing

Bore Type

Round

Material

Through Hardened Steel

Cage Type

Machined

Cage Material

Brass

Limiting Speed - Oil

1900 RPM

Limiting Speed - Grease

1500 RPM

e

0.29

Y1

2.35

Y2

3.50

Y0

2.30

Series

231

Radial Internal Clearance

C3

Ring Modification

Relube

Tolerance

JIS-0 RBEC-1

Static Load Rating

355000 lbf1580000 N1580.00 kN

Dynamic Load Rating

274000 lbf1220000 N1220.00 kN

Enclosure

Open

Weight

44.533 lb20.200 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

6.2992 in160.000 mm

D

10.6299 in270.000 mm

B

3.3858 in86.000 mm

d1

7.2835 in185.000 mm

D1

9.4488 in240.000 mm

r

0.0827 in2.100 mm

W0

0.5512 in14.000 mm

d0

0.2362 in6.000 mm

da min

6.7717 in172.000 mm

Da max

10.1575 in258.000 mm

ras max

0.0827 in2.100 mm