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NN3022ZTBKR

Double-Row Cylindrical Roller Bearings
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Parts Number
NN3022ZTBKRE44CC9P4 Double-Row Cylindrical Roller Bearings
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Parts Number

NN3022ZTBKRE44CC9P4

Boundary Dimensions

NN: Inner ring rib type Bearing Type
d 110 mm Bore diameter
D 170 mm Outside diameter
B 45 mm Width
r(min.) 2 mm Chamfer Dimension

Basic Load Ratings

Cr 156 kN Basic Dynamic Load Rating
C0r 188 kN Basic Static Load Rating

Speeds

Grease 6400 min-1 Limiting Speed
Oil (Oil-air) 8500 min-1 Limiting Speed

Dimensions

Ew 155 mm Roller Circumscribed Circle Diameters
s 1.4 mm Axial Displacement

Abutment and Fillet Dimensions

da(min.) 119 mm Diameter of Shaft Abutment
d1a(min.) 121 mm Diameter of Shaft Abutment
Da(min.) 157 mm Diameter of Housing Abutment
Da(max.) 161 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet

Additional information

CC1(max.) 30 μm Clearance in Bearings with Cylindrical Bores
CC1(min.) 10 μm Clearance in Bearings with Cylindrical Bores
CC1(max.) 50 μm Clearance in Bearings with Tapered Bores
CC1(min.) 25 μm Clearance in Bearings with Tapered Bores
CC0(max.) 35 μm Clearance in Bearings with Tapered Bores
CC0(min.) 20 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. 25 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. 10 μm Clearance in Bearings with Tapered Bores
11 g/brg Recommended Grease Quantities

Holes Dimensions

dh 3 mm Hole Diameter
W 6 mm Oil Groove Width
m 4 Number of Holes

Mass

2.78 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NN30
NSK Product Type Super Precision Bearing
Designations NN3022ZTBKR

© NSK Ltd.

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