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NN3030ZTB

Double-Row Cylindrical Roller Bearings
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Parts Number
NN3030ZTBCC1P4 Double-Row Cylindrical Roller Bearings
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Parts Number

NN3030ZTBCC1P4

Boundary Dimensions

NN: Inner ring rib type Bearing Type
d 150 mm Bore diameter
D 225 mm Outside diameter
B 56 mm Width
r(min.) 2.1 mm Chamfer Dimension

Basic Load Ratings

Cr 229 kN Basic Dynamic Load Rating
C0r 294 kN Basic Static Load Rating

Speeds

Grease 4800 min-1 Limiting Speed
Oil (Oil-air) 6300 min-1 Limiting Speed

Dimensions

Ew 206 mm Roller Circumscribed Circle Diameters
s 2.4 mm Axial Displacement

Abutment and Fillet Dimensions

da(min.) 161 mm Diameter of Shaft Abutment
d1a(min.) 162 mm Diameter of Shaft Abutment
Da(min.) 209 mm Diameter of Housing Abutment
Da(max.) 214 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet

Additional information

CC1(max.) 35 μm Clearance in Bearings with Cylindrical Bores
CC1(min.) 10 μm Clearance in Bearings with Cylindrical Bores
23 g/brg Recommended Grease Quantities

Holes Dimensions

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

Mass

5.87 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NN30
NSK Product Type Super Precision Bearing
Designations NN3030ZTB

© NSK Ltd.

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