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NN3076KR

Double-Row Cylindrical Roller Bearings
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Parts Number
NN3076KRCC9P4Y Double-Row Cylindrical Roller Bearings
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Parts Number

NN3076KRCC9P4Y

Boundary Dimensions

NN: Inner ring rib type Bearing Type
d 380 mm Bore diameter
D 560 mm Outside diameter
B 135 mm Width
r(min.) 5 mm Chamfer Dimension

Basic Load Ratings

Cr 1770 kN Basic Dynamic Load Rating
C0r 3700 kN Basic Static Load Rating

Speeds

Grease 1400 min-1 Limiting Speed
Oil (Oil-air) 1700 min-1 Limiting Speed

Dimensions

Ew 513 mm Roller Circumscribed Circle Diameters
s 7.3 mm Axial Displacement

Abutment and Fillet Dimensions

da(min.) 400 mm Diameter of Shaft Abutment
d1a(min.) 411 mm Diameter of Shaft Abutment
Da(min.) 518 mm Diameter of Housing Abutment
Da(max.) 540 mm Diameter of Housing Abutment
ra(max.) 4 mm Radius of Shaft or Housing Fillet

Additional information

CC1(max.) 75 μm Clearance in Bearings with Cylindrical Bores
CC1(min.) 25 μm Clearance in Bearings with Cylindrical Bores
CC1(max.) 150 μm Clearance in Bearings with Tapered Bores
CC1(min.) 75 μm Clearance in Bearings with Tapered Bores
CC0(max.) 90 μm Clearance in Bearings with Tapered Bores
CC0(min.) 50 μm Clearance in Bearings with Tapered Bores
CC9(max.) Clearance CC9 applicale to cylindrical roller bearings with tapered bores in ISO Tolerance Classes 5 and 4. 75 μm Clearance in Bearings with Tapered Bores
CC9(min.) Clearance CC9 applicale to cylindrical roller bearings with tapered bores in ISO Tolerance Classes 5 and 4. 35 μm Clearance in Bearings with Tapered Bores

Holes Dimensions

dh 8 mm Hole Diameter
W 15 mm Oil Groove Width
m 4 Number of Holes

Mass

113 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NN30
NSK Product Type Super Precision Bearing
Designations NN3076KR

© NSK Ltd.

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