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Unit of Measure

Technical Specifications

Type

N/A Spherical Roller Bearing

Bore Type

N/A Tapered

Material

N/A Through Hardened Steel

Cage Type

N/A Machined

Cage Material

N/A Brass

e

N/A 0.28

Y1

N/A 2.43

Y2

N/A 3.61

Y0

N/A 2.37

Series

N/A 231

Radial Internal Clearance

N/A CN

Ring Modification

N/A Plain

Tolerance

N/A JIS-0 RBEC-1

Taper

N/A 1:12

Enclosure

N/A Open

Operating Temperature Range

N/A -40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


Spherical Roller Bearings w/ Tapered Bore - Dimensions

d

N/A 4.3307 in110.000 mm

D

N/A 7.08660 in180.000 mm

B

N/A 2.2047 in56 mm

d1

N/A 4.9213 in125.000 mm

D1

N/A 6.3386 in161.000 mm

r

N/A 0.07870 in2.000 mm

da min

N/A 4.7638 in121 mm

Da max

N/A 6.6535 in169 mm

ras max

N/A 0.0787 in2.000 mm