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Unit of Measure

Technical Specifications

Type

N/A Spherical Roller Bearing

Bore Type

N/A Round

Material

N/A Through Hardened Steel

Cage Type

N/A Machined

Cage Material

N/A Brass

Limiting Speed - Oil

N/A 680 RPM

Limiting Speed - Grease

N/A 520 RPM

e

N/A 0.33

Y1

N/A 2.05

Y2

N/A 3.06

Y0

N/A 2.01

Series

N/A 231

Radial Internal Clearance

N/A C3

Ring Modification

N/A Relube

Tolerance

N/A JIS-0 RBEC-1

Static Load Rating

N/A 1480000 lbf6600000 N6600.00 kN

Dynamic Load Rating

N/A 810000 lbf3600000 N3600.00 kN

Enclosure

N/A Open

Weight

N/A 482.812 lb219.000 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

N/A 13.3858 in340.000 mm

D

N/A 22.8346 in580.000 mm

B

N/A 7.4803 in190.000 mm

r

N/A 0.1969 in5.000 mm

W0

N/A 0.7874 in20.000 mm

d0

N/A 0.6299 in16.000 mm

da min

N/A 14.2520 in362.000 mm

Da max

N/A 21.9685 in558.000 mm

ras max

N/A 0.1575 in4.000 mm