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7056A

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7056ASULP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7056ASULP4

Boundary Dimensions

d 280 mm Bore diameter
D 420 mm Outside diameter
B 65 mm Width
r(min.) 4 mm Chamfer Dimension
r1(min.) 1.5 mm Chamfer Dimension

Basic Load Ratings

Cr 345 kN Basic Dynamic Load Rating
C0r 530 kN Basic Static Load Rating

Speeds

Grease 1900 min-1 Limiting Speed
Oil (Oil-air) 2600 min-1 Limiting Speed

Dimensions

A: 30° Contact Angle
a 133.5 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 298 mm Diameter of Shaft Abutment
Da(max.) 402 mm Diameter of Housing Abutment
Db(max.) 411 mm Diameter of Housing Abutment
ra(max.) 3 mm Radius of Shaft or Housing Fillet
rb(max.) 1.5 mm Radius of Shaft or Housing Fillet

Performance

Pa 325 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity
EL 1834N 693N/μm
L 9136N 1217N/μm
M 19408N 1603N/μm
H 38390N 2089N/μm

Additional information

151 g/brg Recommended Grease Quantities

Mass

31 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A
NSK Product Type Super Precision Bearing
Designations 7056A

© NSK Ltd.

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