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NNU49/800K

Double-Row Cylindrical Roller Bearings
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Parts Number
NNU49/800KCC1P4 Double-Row Cylindrical Roller Bearings
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Parts Number

NNU49/800KCC1P4

Boundary Dimensions

NNU: Outer ring rib type Bearing Type
d 800 mm Bore diameter
D 1060 mm Outside diameter
B 258 mm Width
r(min.) 6 mm Chamfer Dimension

Basic Load Ratings

Cr 5700 kN Basic Dynamic Load Rating
C0r 16500 kN Basic Static Load Rating

Speeds

Grease 600 min-1 Limiting Speed
Oil (Oil-air) 800 min-1 Limiting Speed

Dimensions

Ew 879 mm Roller Circumscribed Circle Diameters
s 8.9 mm Axial Displacement

Abutment and Fillet Dimensions

da(min.) 826 mm Diameter of Shaft Abutment
d1a(min.) 848 mm Diameter of Shaft Abutment
Da(max.) 1034 mm Diameter of Housing Abutment
ra(max.) 5 mm Radius of Shaft or Housing Fillet

Additional information

CC1(max.) 145 μm Clearance in Bearings with Cylindrical Bores
CC1(min.) 35 μm Clearance in Bearings with Cylindrical Bores
CC1(max.) 290 μm Clearance in Bearings with Tapered Bores
CC1(min.) 145 μm Clearance in Bearings with Tapered Bores
CC0(max.) 190 μm Clearance in Bearings with Tapered Bores
CC0(min.) 110 μm Clearance in Bearings with Tapered Bores
CC9(max.) 150 μm Clearance in Bearings with Tapered Bores
CC9(min.) 70 μm Clearance in Bearings with Tapered Bores

Holes Dimensions

dh 12 mm Hole Diameter
W 20 mm Oil Groove Width
m 4 Number of Holes

Mass

573 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NNU
NSK Product Type Super Precision Bearing
Designations NNU49/800K

© NSK Ltd.

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