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NNU49/560K

Double-Row Cylindrical Roller Bearings
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Parts Number
NNU49/560KE44CC9P4 Double-Row Cylindrical Roller Bearings
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Parts Number

NNU49/560KE44CC9P4

Boundary Dimensions

NNU: Outer ring rib type Bearing Type
d 560 mm Bore diameter
D 750 mm Outside diameter
B 190 mm Width
r(min.) 5 mm Chamfer Dimension

Basic Load Ratings

Cr 3250 kN Basic Dynamic Load Rating
C0r 8700 kN Basic Static Load Rating

Speeds

Grease 900 min-1 Limiting Speed
Oil (Oil-air) 1100 min-1 Limiting Speed

Dimensions

Ew 617 mm Roller Circumscribed Circle Diameters
s 2.2 mm Axial Displacement

Abutment and Fillet Dimensions

da(min.) 580 mm Diameter of Shaft Abutment
d1a(min.) 596 mm Diameter of Shaft Abutment
Da(max.) 730 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

230 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NNU
NSK Product Type Super Precision Bearing
Designations NNU49/560K

© NSK Ltd.

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