Item # 7821C, Single Angular Contact Ball Bearing - Open Type On Bearing Distributors, Inc.

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Unit of Measure

Technical Specifications | Dimensional Specifications

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 Machined
Cage Material	N/A Phenolic
Ball Material	N/A Steel
Limiting Speed - Oil	N/A 9500 rpm
Limiting Speed - Grease	N/A 7100 rpm
Configuration	N/A One
Factor	N/A 15.9
Static Load Rating	N/A 6700 lbf29800 N29.80 kN
Dynamic Load Rating	N/A 5400 lbf24100 N24.10 kN
Enclosure	N/A Open
Weight	N/A 0.683 lb0.31 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Single Angular Contact Ball Bearings - Open Type - Dimensions
d	N/A 4.1339 in105.000 mm
D	N/A 5.11810 in130.000 mm
B	N/A 0.51180 in13.000 mm
r	N/A 0.03940 in1.000 mm
r1	N/A 0.0236 in0.600 mm
Contact Angle	N/A 15 º
a (Load Center)	N/A 0.8780 in22.300 mm
da min	N/A 4.3504 in110.500 mm
Da max	N/A 4.9016 in124.500 mm
Db max	N/A 4.9409 in125.500 mm
ras max	N/A 0.0394 in1.000 mm
r1as max	N/A 0.0236 in0.600 mm
d1	N/A 4.4528 in113.100 mm
D2	N/A 4.9134 in124.800 mm
Double Row Width	N/A 1.0236 in26.000 mm
Triple Row Width	N/A 1.5354 in39.000 mm
Quadruple Row Width	N/A 2.0472 in52.000 mm