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NNU4928MB

Double-Row Cylindrical Roller Bearings
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Parts Number
NNU4928MBCC1P5 Double-Row Cylindrical Roller Bearings
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Parts Number

NNU4928MBCC1P5

Boundary Dimensions

NNU: Outer ring rib type Bearing Type
d 140 mm Bore diameter
D 190 mm Outside diameter
B 50 mm Width
r(min.) 1.5 mm Chamfer Dimension

Basic Load Ratings

Cr 325 kN Basic Dynamic Load Rating
C0r 585 kN Basic Static Load Rating

Speeds

Grease 4600 min-1 Limiting Speed
Oil (Oil-air) 5500 min-1 Limiting Speed

Dimensions

Ew 154 mm Roller Circumscribed Circle Diameters
s 1.7 mm Axial Displacement

Abutment and Fillet Dimensions

da(min.) 148 mm Diameter of Shaft Abutment
d1a(min.) 150 mm Diameter of Shaft Abutment
Da(max.) 182 mm Diameter of Housing Abutment
ra(max.) 1.5 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
12 g/brg Recommended Grease Quantities

Holes Dimensions

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

Mass

3.70 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NNU
NSK Product Type Super Precision Bearing
Designations NNU4928MB

© NSK Ltd.

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