Bearing Finder
Customizable search tool featuring exhaustive data sets, comprehensive part
interchanges and interactive CAD drawings

CAD (0) ▾
  • Cart is empty
  1. Request CAD files
Unit of Measure

Order Now

Ordering Options

Find a Distributor

Buy it now

Contact NTN Customer Support Specialist

Order through NTN DOL (Authorized Distributors Only)

Technical Specifications

Type

 Spherical Roller Bearing

Bore Type

 Tapered

Material

 Through Hardened Steel

Cage Type

 Machined

Cage Material

 Brass

Limiting Speed - Oil

 1800 RPM

Limiting Speed - Grease

 1400 RPM

e

 0.28

Y1

 2.39

Y2

 3.56

Y0

 2.34

Series

 231

Radial Internal Clearance

 C3

Ring Modification

 Relube

Tolerance

 JIS-0 RBEC-1

Taper

 1:12

Static Load Rating

 380000 lbf1700000 N1700.00 kN

Dynamic Load Rating

 286000 lbf1270000 N1270.00 kN

Enclosure

 Open

Weight

 46.077 lb20.900 kg

Operating Temperature Range

 -40 to 400 ºF-40 to 200 ºC

Dimensional Specifications

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

d

 6.6929 in170.000 mm

D

 11.0236 in280.000 mm

B

 3.4646 in88.000 mm

d1

 7.6772 in195.000 mm

D1

 9.8425 in250.000 mm

r

 0.0827 in2.100 mm

W0

 0.5512 in14.000 mm

d0

 0.2362 in6.000 mm

da min

 7.1654 in182.000 mm

Da max

 10.5512 in268.000 mm

ras max

 0.0827 in2.100 mm