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NN3038MBKR

Double-Row Cylindrical Roller Bearings
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Parts Number
NN3038MBKRE44CC0P5 Double-Row Cylindrical Roller Bearings
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Parts Number

NN3038MBKRE44CC0P5

Boundary Dimensions

NN: Inner ring rib type Bearing Type
d 190 mm Bore diameter
D 290 mm Outside diameter
B 75 mm Width
r(min.) 2.1 mm Chamfer Dimension

Basic Load Ratings

Cr 685 kN Basic Dynamic Load Rating
C0r 1080 kN Basic Static Load Rating

Speeds

Grease 3200 min-1 Limiting Speed
Oil (Oil-air) 3800 min-1 Limiting Speed

Dimensions

Ew 265 mm Roller Circumscribed Circle Diameters
s 1.1 mm Axial Displacement

Abutment and Fillet Dimensions

da(min.) 201 mm Diameter of Shaft Abutment
d1a(min.) 203 mm Diameter of Shaft Abutment
Da(min.) 268 mm Diameter of Housing Abutment
Da(max.) 279 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet

Additional information

CC1(max.) 45 μm Clearance in Bearings with Cylindrical Bores
CC1(min.) 15 μm Clearance in Bearings with Cylindrical Bores
CC1(max.) 80 μm Clearance in Bearings with Tapered Bores
CC1(min.) 40 μm Clearance in Bearings with Tapered Bores
CC0(max.) 50 μm Clearance in Bearings with Tapered Bores
CC0(min.) 30 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. 40 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. 20 μm Clearance in Bearings with Tapered Bores
54 g/brg Recommended Grease Quantities

Holes Dimensions

dh 5 mm Hole Diameter
W 9 mm Oil Groove Width
m 4 Number of Holes

Mass

16.7 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NN30
NSK Product Type Super Precision Bearing
Designations NN3038MBKR

© NSK Ltd.

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