SKF 4308 ATN9 Deep Groove Ball Bearing 40 × 90 × 33 mm

Double row deep groove ball bearing

Deep Groove Ball Bearing

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EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.

Category: Deep Groove Ball Bearing
Dimensions: 40x90x33mm

Overview

Double row deep groove ball bearing

Double row deep groove ball bearings correspond, in their design and operation, to a pair of single row deep groove ball bearings. They are robust in operation, requiring little maintenance, can operate at high speeds and accommodate radial and axial loads in both directions. They are slightly wider than single row bearings of the same bore and outside diameter but have a considerably higher load carrying capacity.

Key features

Versatile and robust design
High-speed capability
Accommodate high axial and radial loads in both directions
Require little maintenance

Typical applications

Electric motors and generators
Pumps, fans, and blowers
Gearboxes and reducers
Conveyors and general industrial machinery

Selection guidance

Select by bore, outside diameter, width, sealing type, internal clearance, speed rating, and actual radial/axial load conditions.

Symbol	Value	Description
C	55.9 kN	Basic dynamic load rating
C0	45 kN	Basic static load rating
reference_speed_rpm	12 000 r/min	Reference speed
limiting_speed_rpm	6 700 r/min	Limiting speed

Symbol	Value	Description
d	40 mm	Bore diameter
D	90 mm	Outside diameter
B	33 mm	Width

Symbol	Value	Description
da	min. 49 mm	da
Da	max. 81 mm	Da
ra	max. 1.5 mm	ra

Versatile and robust design
Low friction
High-speed performance
Accommodates high axial and radial loads in both directions
Requires almost no maintenance

Code	Description
필링 슬롯	None
열 개수	2
로케이팅 기능, 베어링 외륜	None
보어 유형	Cylindrical
케이지	Non-metallic
일치된 배열	No
경방향 내부틈새	CN
소재, 베어링	Bearing steel
코팅	None
씰링	None
윤활유	None
재윤활 기능	None
제품 순 중량	0.931 kg
eClass 코드	23-05-08-01
UNSPSC 코드	31171504

datasheet pdf download

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