7068A

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7068ASUELP5

Boundary Dimensions

d 340 mm Bore diameter
D 520 mm Outside diameter
B 82 mm Width
r(min.) 5 mm Chamfer Dimension
r1(min.) 2 mm Chamfer Dimension

Basic Load Ratings

Cr 655 kN Basic Dynamic Load Rating
C0r 905 kN Basic Static Load Rating

Speeds

Grease 1600 min-1 Limiting Speed
Oil (Oil-air) 2100 min-1 Limiting Speed

Dimensions

A: 30° Contact Angle
a 165.1 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 362 mm Diameter of Shaft Abutment
Da(max.) 498 mm Diameter of Housing Abutment
Db(max.) 510 mm Diameter of Housing Abutment
ra(max.) 4 mm Radius of Shaft or Housing Fillet
rb(max.) 2 mm Radius of Shaft or Housing Fillet

Performance

Pa 560 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity
EL 3163N 869N/μm
L 16035N 1536N/μm
M 42344N 2201N/μm
H 66484N 2622N/μm

Mass

61.0 kg Mass(approx.)
Designations Basic Load Ratings Axial Internal Clearance Accuracy Limiting Speeds Mass
Cr
C0r
min
max
Grease
(min-1)
Oil (Oil-air)
(min-1)

(kg)
7068ASUELP5 655 905 P5: ISO Class 5 1600 2100 61.0

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A
NSK Product Type Super Precision Bearing
Designations 7068A
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