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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