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7008A

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7008ATYNSUHP5 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7008ATYNSUHP5

Boundary Dimensions

d 40 mm Bore diameter
D 68 mm Outside diameter
B 15 mm Width
r(min.) 1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 23.7 kN Basic Dynamic Load Rating
C0r 14.6 kN Basic Static Load Rating

Speeds The limiting speeds of the ball guided cage is lower than the outer ring guided cage.

Grease 13900 min-1 Limiting Speed
Oil (Oil-air) 18000 min-1 Limiting Speed

Dimensions

A: 30° Contact Angle
a 23.1 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 46 mm Diameter of Shaft Abutment
Da(max.) 62 mm Diameter of Housing Abutment
Db(max.) 63 mm Diameter of Housing Abutment
ra(max.) 1 mm Radius of Shaft or Housing Fillet
rb(max.) 0.5 mm Radius of Shaft or Housing Fillet

Performance

Pa 9.15 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 49N 101N/μm 0μm
L 219N 168N/μm -5μm
M 463N 221N/μm -10μm
H 768N 267N/μm -15μm

Additional information

1.1 g/brg Recommended Grease Quantities

Mass

0.191 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)
7008ATYNSUHP5 23.7 14.6 P5: ISO Class 5 13900 18000 0.191

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A
NSK Product Type Super Precision Bearing
Designations 7008A

© NSK Ltd.

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