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Handbook / Bearings

NSK RSF-4888 E4 ISO

Radial bearing with cylindrical rollers, double-row full complement

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Brand
NSK
Standart
ISO
Principal dimensions
d,  Inner diameter,  mm
440
D,  Outside diameter,  mm
540
B,  Width,  mm
100
m,  Weight,  kg
51.5
To specifications

Specifications

Type of product
Bearing
Unit of measure
Metric
Type of friction
Rolling
Rolling elements
Rollers
Direction of the perceived load
Radial
Number of rows
Double row
Bore
Cylindrical
Material
Steel
Cage
Without separator
d (mm) - Bore diameter
440
D (mm) - Outside diameter
540
B (mm) - Width
100
m (kg) - Mass
51.5
r1,2 (mm) - Chamfer dimension (Inner ring) (min)
2.1
da (mm) - Diameter of shaft abutment (min)
451
ra (mm) - Fillet radius (max)
2
ra (mm) - Fillet radius (max)
2
C (kN) - Basic dynamic load rating (radial)
1350000
C0 (kN) - Basic static load rating (radial)
4150000
r1,2 (mm) - Chamfer dimension (Outer ring) (min)
2.1
Grease (r/min)
200
Oil (r/min)
430
b/b1 (mm) - Width annular lubrication groove outer ring
8
s (mm) - Permissible axial displacement
6
Da (mm) - Diameter of housing abutment (max)
529

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