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NNU49/530

Double-Row Cylindrical Roller Bearings
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Parts Number
NNU49/530E44CC1P4 Double-Row Cylindrical Roller Bearings
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Parts Number

NNU49/530E44CC1P4

Boundary Dimensions

NNU: Outer ring rib type Bearing Type
d 530 mm Bore diameter
D 710 mm Outside diameter
B 180 mm Width
r(min.) 5 mm Chamfer Dimension

Basic Load Ratings

Cr 3050 kN Basic Dynamic Load Rating
C0r 8150 kN Basic Static Load Rating

Speeds

Grease 900 min-1 Limiting Speed
Oil (Oil-air) 1200 min-1 Limiting Speed

Dimensions

Ew 584 mm Roller Circumscribed Circle Diameters
s 3.0 mm Axial Displacement

Abutment and Fillet Dimensions

da(min.) 550 mm Diameter of Shaft Abutment
d1a(min.) 565 mm Diameter of Shaft Abutment
Da(max.) 690 mm Diameter of Housing Abutment
ra(max.) 4 mm Radius of Shaft or Housing Fillet

Additional information

CC1(max.) 105 μm Clearance in Bearings with Cylindrical Bores
CC1(min.) 30 μm Clearance in Bearings with Cylindrical Bores

Holes Dimensions

dh 10 mm Hole Diameter
W 18 mm Oil Groove Width
m 4 Number of Holes

Mass

186 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NNU
NSK Product Type Super Precision Bearing
Designations NNU49/530

© NSK Ltd.

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