Item # 7311BGC3, Single Angular Contact Ball Bearing - Open Type On NTN Bearing Corp. of America

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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 Pressed
Cage Material	N/A Steel
Ball Material	N/A Steel
Limiting Speed - Oil	N/A 7300 RPM
Limiting Speed - Grease	N/A 5500 RPM
Precision	N/A ISO Class 0
Configuration	N/A One
Radial Internal Clearance	N/A C3
Static Load Rating	N/A 12700 lbf56500 N56.50 kN
Dynamic Load Rating	N/A 17800 lbf79000 N79.00 kN
Enclosure	N/A Open
Weight	N/A 3.109 lb1.410 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Loading zoom Open Image Single Angular Contact Ball Bearings - Open Type - Dimensions
d	N/A 2.1654 in55.000 mm
D	N/A 4.7244 in120.000 mm
B	N/A 1.1417 in29.000 mm
r	N/A 0.0787 in2.000 mm
r1	N/A 0.0394 in1.000 mm
Contact Angle	N/A 40 º
a (Load Center)	N/A 2.0472 in52.000 mm
da min	N/A 2.5591 in65.000 mm
db min	N/A 2.3819 in60.500 mm
Da max	N/A 4.3307 in110.000 mm
Db max	N/A 4.5079 in114.500 mm
ras max	N/A 0.0787 in2.000 mm
r1as max	N/A 0.0394 in1.000 mm
Double Row Width	N/A 2.2835 in58.000 mm
Triple Row Width	N/A 3.4252 in87.000 mm
Quadruple Row Width	N/A 4.5669 in116.000 mm