SKF NU 204 ECP Cylindrical Roller Bearing 20 × 47 × 14 mm

Single row cylindrical roller bearing, NU design

Cylindrical Roller Bearing

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Category: Cylindrical Roller Bearing
Dimensions: 20x47x14mm

Overview

Single row cylindrical roller bearing, NU design

Single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the outer ring and no flanges on the inner ring, NU design bearings can accommodate axial displacement in both directions. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.

Key features

High radial load carrying capacity
Low friction
Long service life
Accommodate axial displacement in both directions
Separable design

Typical applications

Industrial electric motors
Gearboxes and reducers
Machine tool spindle support positions
Rolling mills, paper machines, and heavy machinery

Selection guidance

Choose the N, NU, NJ, or NUP design by load direction, axial locating requirement, cage material, internal clearance, and lubrication condition.

Symbol	Value	Description
C	28.5 kN	Basic dynamic load rating
C0	22 kN	Basic static load rating
reference_speed_rpm	17 000 r/min	Reference speed
limiting_speed_rpm	19 000 r/min	Limiting speed
performance_class	SKF Explorer	SKF performance class

Symbol	Value	Description
d	20 mm	Bore diameter
D	47 mm	Outside diameter
B	14 mm	Width

Symbol	Value	Description
da	max. 25.4 mm	da
db	min. 28 mm	db
Da	max. 41.7 mm	Da
ra	max. 1 mm	ra
rb	max. 0.6 mm	rb

High radial load capacity
Low friction
Long service life
Accommodates axial displacement in both directions
Separable design

Code	Description
베어링 부품	Complete bearing
축방향 변위 역량	In both directions
열 개수	1
로케이팅 기능, 베어링 외륜	None
보어 유형	Cylindrical
케이지	Non-metallic
플랜지 개수, 외부 링	2
플랜지 개수, 내부 링	0
루스 플랜지	None
경방향 내부틈새	CN
공차 클래스	Normal
코팅	None
씰링	None
윤활유	None
재윤활 기능	None
제품 순 중량	0.109 kg
eClass 코드	23-05-09-01
UNSPSC 코드	31171505

datasheet pdf download

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