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NN49/530K

Double-Row Cylindrical Roller Bearings
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Parts Number
NN49/530KCC1P4Y Double-Row Cylindrical Roller Bearings
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Parts Number

NN49/530KCC1P4Y

Boundary Dimensions

NN: Inner 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 664 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(min.) 667 mm Diameter of Housing 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
CC1(max.) 210 μm Clearance in Bearings with Tapered Bores
CC1(min.) 105 μm Clearance in Bearings with Tapered Bores
CC0(max.) 135 μm Clearance in Bearings with Tapered Bores
CC0(min.) 80 μm Clearance in Bearings with Tapered Bores
CC9(max.) 105 μm Clearance in Bearings with Tapered Bores
CC9(min.) 50 μm Clearance in Bearings with Tapered Bores

Holes Dimensions

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

Mass

185 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NN49
NSK Product Type Super Precision Bearing
Designations NN49/530K

© NSK Ltd.

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