SKF BTW50 CTN9/SP Thrust Ball Bearing 50 × 80 × 38 mm

Super-precision, basic design double direction angular contact thrust ball bearing

Thrust Ball Bearing

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Category: Thrust Ball Bearing
Dimensions: 50x80x38mm

Overview

Super-precision, basic design double direction angular contact thrust ball bearing

These double direction angular contact thrust ball bearings consist of two single row angular contact thrust ball bearings, arranged back-to-back. They accommodate high axial loads in both directions and provide a high degree of system rigidity.

Key features

Accommodate axial loads in both directions
Maximum system rigidity
Separable

Typical applications

Vertical motors and pumps
Rotary tables
Screw jacks and lifting devices
Low- to medium-speed axial support positions

Selection guidance

Verify axial load direction, speed, washer type, mounting face squareness, and whether any radial load is present.

Symbol	Value	Description
C	22.5 kN	Basic dynamic load rating
C0	60 kN	Basic static load rating
grease_speed_rpm	9 000 r/min	Attainable grease lubrication speed
oil_air_speed_rpm	11 000 r/min	Attainable oil-air lubrication speed

Symbol	Value	Description
d	50 mm	Bore diameter
D	80 mm	Outside diameter
H	38 mm	Height
α	60 °	Contact angle

Symbol	Value	Description
da	min. 61 mm	da
Da	max. 76 mm	Da
ra	max. 1 mm	ra
rb	max. 0.3 mm	rb

Accommodate axial loads in both directions
Maximum system rigidity
Separable

Code	Description
축방향 하중 역량	Both directions
열 개수	2
로케이팅 기능, 베어링 외륜	None
설계	Basic (BTW series)
하우징 와셔 타입(복열 앵귤러 콘택트 스러스트 볼 베어링)	Two-piece
케이지	Non-metallic
공차 클래스	SP
소재, 베어링	Bearing steel
코팅	None
씰링	None
윤활유	None
재윤활 기능	None
제품 순 중량	0.578 kg
eClass 코드	23-05-10-02
UNSPSC 코드	31171531

datasheet pdf download

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