Item # 7312C, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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

CAD (0) ▾

Request Information Add CAD Drawing to Cart Buy it now

Unit of Measure

Order Now | Technical Specifications | Dimensional Specifications

Order Now

Ordering Options

Find a Distributor

Contact NTN Customer Support Specialist

Order through NTN DOL (Authorized Distributors Only)

Technical Specifications

Type	N/A Angular Contact Ball Bearing
Bore Type	N/A Round
Material	N/A High Carbon Chrome Steel
Cage Type	N/A Fiber Glass Reinforced
Cage Material	N/A Nylon
Ball Material	N/A Steel
Limiting Speed - Oil	N/A 12000 RPM
Limiting Speed - Grease	N/A 8700 RPM
Configuration	N/A One
Factor	N/A 13.4
Static Load Rating	N/A 15800 lbf70500 N70.50 kN
Dynamic Load Rating	N/A 22300 lbf99000 N99.00 kN
Enclosure	N/A Open
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Open Image Single Angular Contact Ball Bearings - Open Type - Dimensions
d	N/A 2.3622 in60.000 mm
D	N/A 5.1181 in130.000 mm
B	N/A 1.2205 in31.000 mm
r	N/A 0.0827 in2.100 mm
r1	N/A 0.0433 in1.100 mm
Contact Angle	N/A 15 º
a (Load Center)	N/A 2.2047 in56.000 mm
da min	N/A 2.8346 in72.000 mm
Da max	N/A 4.6457 in118.000 mm
Db max	N/A 4.8425 in123.000 mm
ras max	N/A 0.0787 in2.000 mm
r1as max	N/A 0.0394 in1.000 mm
Double Row Width	N/A 2.4409 in62.000 mm
Triple Row Width	N/A 3.6614 in93.000 mm
Quadruple Row Width	N/A 4.8819 in124.000 mm