NNU4984 KOYO Double-row cylindrical roller bearings
Brand Name:KOYO
Model Number:NNU4984
Design Unit:METRIC
Bearing Weight:63.9 Kg
Cage Type:EMB
Cage Material:Brass
Superseded Part:24052YMBW33W21A
d:260 mm
D:400.000 mm
B - Inner Ring Width:140 mm
PDF NNU4984

Product Details

Design UnitMETRIC
Bearing Weight63.9 Kg
Cage TypeEMB
Cage MaterialBrass
Superseded Part24052YMBW33W21A
d260 mm
D400.000 mm
B - Inner Ring Width140 mm
B - Outer Ring Width140.000 mm
R - Inner Ring To Clear Radius13.0 mm
r - Outer Ring To Clear Radius23.0 mm
da - Inner Ring Backing Diameter288.000 mm
Da - Outer Ring Backing Diameter369.000 mm
C0 - Static Radial Rating3840000 N
C1(2) - Dynamic Radial Rating (Two-Rows)2380000 N
e - ISO Factor30.32
Y0 - ISO Factor42.12
Y1 - ISO Factor53.15
Y2 - ISO Factor62.07
Reference Thermal Speed Rating (Grease)830
Reference Thermal Speed Rating (Oil)7940
Cg - Geometry Factor80.1125
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Company Profile

FGDB Pump Machinery Equipment Co., Ltd.
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