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NNU4984K

Double-Row Cylindrical Roller Bearings
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Parts Number
NNU4984KCC0P4 Double-Row Cylindrical Roller Bearings
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Parts Number

NNU4984KCC0P4

Boundary Dimensions

NNU: Outer ring rib type Bearing Type
d 420 mm Bore diameter
D 560 mm Outside diameter
B 140 mm Width
r(min.) 4 mm Chamfer Dimension

Basic Load Ratings

Cr 2000 kN Basic Dynamic Load Rating
C0r 5150 kN Basic Static Load Rating

Speeds

Grease 1200 min-1 Limiting Speed
Oil (Oil-air) 1500 min-1 Limiting Speed

Dimensions

Ew 461 mm Roller Circumscribed Circle Diameters
s 3.5 mm Axial Displacement

Abutment and Fillet Dimensions

da(min.) 436 mm Diameter of Shaft Abutment
d1a(min.) 448 mm Diameter of Shaft Abutment
Da(max.) 544 mm Diameter of Housing Abutment
ra(max.) 3 mm Radius of Shaft or Housing Fillet

Additional information

CC1(max.) 85 μm Clearance in Bearings with Cylindrical Bores
CC1(min.) 25 μm Clearance in Bearings with Cylindrical Bores
CC1(max.) 170 μm Clearance in Bearings with Tapered Bores
CC1(min.) 85 μm Clearance in Bearings with Tapered Bores
CC0(max.) 105 μm Clearance in Bearings with Tapered Bores
CC0(min.) 60 μm Clearance in Bearings with Tapered Bores
CC9(max.) 85 μm Clearance in Bearings with Tapered Bores
CC9(min.) 40 μm Clearance in Bearings with Tapered Bores

Holes Dimensions

dh 8 mm Hole Diameter
W 15 mm Oil Groove Width
m 4 Number of Holes

Mass

88.4 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NNU
NSK Product Type Super Precision Bearing
Designations NNU4984K

© NSK Ltd.

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