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NNU49/710BK

Double-Row Cylindrical Roller Bearings
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Parts Number
NNU49/710BKE44CC0P5 Double-Row Cylindrical Roller Bearings
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Parts Number

NNU49/710BKE44CC0P5

Boundary Dimensions

NNU: Outer ring rib type Bearing Type
d 710 mm Bore diameter
D 950 mm Outside diameter
B 243 mm Width
r(min.) 6 mm Chamfer Dimension

Basic Load Ratings

Cr 4450 kN Basic Dynamic Load Rating
C0r 12600 kN Basic Static Load Rating

Speeds

Grease 700 min-1 Limiting Speed
Oil (Oil-air) 900 min-1 Limiting Speed

Dimensions

Ew 775 mm Roller Circumscribed Circle Diameters
s 11.4 mm Axial Displacement

Abutment and Fillet Dimensions

da(min.) 736 mm Diameter of Shaft Abutment
d1a(min.) 756 mm Diameter of Shaft Abutment
Da(max.) 924 mm Diameter of Housing Abutment
ra(max.) 5 mm Radius of Shaft or Housing Fillet

Additional information

CC1(max.) 130 μm Clearance in Bearings with Cylindrical Bores
CC1(min.) 30 μm Clearance in Bearings with Cylindrical Bores
CC1(max.) 260 μm Clearance in Bearings with Tapered Bores
CC1(min.) 130 μm Clearance in Bearings with Tapered Bores
CC0(max.) 160 μm Clearance in Bearings with Tapered Bores
CC0(min.) 90 μm Clearance in Bearings with Tapered Bores
CC9(max.) 130 μm Clearance in Bearings with Tapered Bores
CC9(min.) 60 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

472 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NNU
NSK Product Type Super Precision Bearing
Designations NNU49/710BK

© NSK Ltd.

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