SKF 7306 ACCBM Angular Contact Ball Bearing 30 × 72 × 19 mm

Single row angular contact ball bearing with 25° contact angle

Angular Contact Ball Bearing

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Category: Angular Contact Ball Bearing
Dimensions: 30x72x19mm

Overview

Single row angular contact ball bearing with 25° contact angle

These single row angular contact ball bearings, with 25° contact angle, accommodate radial and axial loads acting simultaneously, where the axial load acts in one direction only. They have Normal axial internal clearance and are suitable for universal matching, where two bearings can be arranged back-to-back or face-to-face. They have a ball-centred brass cage. They can operate at 20% higher speeds than equivalent bearings with 40° contact angle.

Key features

25° contact angle
Brass cage
Suitable for universal matching
Can operate at very high speeds
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	39 kN	Basic dynamic load rating
C0	23.6 kN	Basic static load rating
reference_speed_rpm	13 000 r/min	Reference speed
limiting_speed_rpm	19 000 r/min	Limiting speed
performance_class	SKF Explorer	SKF performance class

Symbol	Value	Description
d	30 mm	Bore diameter
D	72 mm	Outside diameter
B	19 mm	Width
α	25 °	Contact angle

Symbol	Value	Description
da	min. 37 mm	da
Da	max. 65 mm	Da
Db	max. 67.8 mm	Db
ra	max. 1 mm	ra
rb	max. 0.6 mm	rb

Contact angle 25°
Brass cage
Suitable for universal matching
Can operate at very high speeds
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	Machined brass
일치된 배열	No
유니버설 매칭 베어링	Yes
축방향 내부틈새	Not applicable
일치된 조건(축방향 틈새/예압)	Axial internal clearance CB
소재, 베어링	Bearing steel
코팅	None
씰링	None
윤활유	None
재윤활 기능	None
제품 순 중량	0.366 kg
eClass 코드	23-05-08-03
UNSPSC 코드	31171531

datasheet pdf download

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