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NN3034MBKR

Double-Row Cylindrical Roller Bearings
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Parts Number
NN3034MBKRE44CC1P5 Double-Row Cylindrical Roller Bearings
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Parts Number

NN3034MBKRE44CC1P5

Boundary Dimensions

NN: Inner ring rib type Bearing Type
d 170 mm Bore diameter
D 260 mm Outside diameter
B 67 mm Width
r(min.) 2.1 mm Chamfer Dimension

Basic Load Ratings

Cr 520 kN Basic Dynamic Load Rating
C0r 805 kN Basic Static Load Rating

Speeds

Grease 3500 min-1 Limiting Speed
Oil (Oil-air) 4200 min-1 Limiting Speed

Dimensions

Ew 236 mm Roller Circumscribed Circle Diameters
s 2.4 mm Axial Displacement

Abutment and Fillet Dimensions

da(min.) 181 mm Diameter of Shaft Abutment
d1a(min.) 183 mm Diameter of Shaft Abutment
Da(min.) 239 mm Diameter of Housing Abutment
Da(max.) 249 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet

Additional information

CC1(max.) 40 μm Clearance in Bearings with Cylindrical Bores
CC1(min.) 10 μm Clearance in Bearings with Cylindrical Bores
CC1(max.) 75 μm Clearance in Bearings with Tapered Bores
CC1(min.) 35 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. 35 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. 15 μm Clearance in Bearings with Tapered Bores
38 g/brg Recommended Grease Quantities

Holes Dimensions

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

Mass

12.1 kg Mass(approx.)
Designations Basic Load Ratings Radial Internal Clearance Accuracy Limiting Speeds Mass
Cr
 C0r
 min
 max
 Grease
(min-1)		 Oil (Oil-air)
(min-1)
(kg)
NN3034MBKRE44CC1P5 520 805 P5: ISO Class 5 3500 4200 12.1

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CAD
More Information
NSK Product Type2 SP_CRB_DR_NN30
NSK Product Type Super Precision Bearing
Designations NN3034MBKR

© NSK Ltd.

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