SKF 7211 BEP Angular Contact Ball Bearing 55 × 100 × 21 mm

Single row angular contact ball bearing

Angular Contact Ball Bearing

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Category: Angular Contact Ball Bearing
Dimensions: 55x100x21mm

Overview

Single row angular contact ball bearing

These single row angular contact ball bearings can accommodate radial and axial loads acting simultaneously, where the axial load acts in one direction only. They can operate at high speeds and, depending on the variant, even very high speeds. They are more suitable than deep groove ball bearings for supporting large axial forces acting in one direction.

Key features

High-speed capability
Accommodate relatively high radial loads and large unilateral axial loads

Typical applications

Machine tool spindles and support shafts
Pumps and compressors
High-speed motors
Precision gearboxes and robot drives

Selection guidance

Select by contact angle, arrangement, preload, precision class, axial load direction, and operating speed.

Symbol	Value	Description
C	46.2 kN	Basic dynamic load rating
C0	36 kN	Basic static load rating
reference_speed_rpm	7 500 r/min	Reference speed
limiting_speed_rpm	7 500 r/min	Limiting speed

Symbol	Value	Description
d	55 mm	Bore diameter
D	100 mm	Outside diameter
B	21 mm	Width
α	40 °	Contact angle

Symbol	Value	Description
da	min. 64 mm	da
Da	max. 91 mm	Da
Db	max. 94 mm	Db
ra	max. 1.5 mm	ra
rb	max. 1 mm	rb

High-speed performance
Accommodates relatively high radial loads and large unidirectional axial loads

Code	Description
접촉 유형	Normal contact (four-point contact)
열 개수	1
로케이팅 기능, 베어링 외륜	None
링 유형	One-piece inner and outer ring
케이지	Non-metallic
일치된 배열	No
유니버설 매칭 베어링	No
축방향 내부틈새	Not applicable
공차 클래스	Normal
소재, 베어링	Bearing steel
코팅	None
씰링	None
윤활유	None
재윤활 기능	None
제품 순 중량	0.598 kg
eClass 코드	23-05-08-03
UNSPSC 코드	31171531

datasheet pdf download

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