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7011A

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7011ATYNSULP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7011ATYNSULP4

Boundary Dimensions

d 55 mm Bore diameter
D 90 mm Outside diameter
B 18 mm Width
r(min.) 1.1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 39.0 kN Basic Dynamic Load Rating
C0r 26.3 kN Basic Static Load Rating

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

Grease 10000 min-1 Limiting Speed
Oil (Oil-air) 13800 min-1 Limiting Speed

Dimensions

A: 30° Contact Angle
a 29.9 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 62 mm Diameter of Shaft Abutment
Da(max.) 83 mm Diameter of Housing Abutment
Db(max.) 85 mm Diameter of Housing Abutment
ra(max.) 1 mm Radius of Shaft or Housing Fillet
rb(max.) 0.6 mm Radius of Shaft or Housing Fillet

Performance

Pa 16.6 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 49N 115N/μm 0μm
L 246N 196N/μm -5μm
M 887N 311N/μm -15μm
H 1307N 360N/μm -20μm

Additional information

2.2 g/brg Recommended Grease Quantities

Mass

0.385 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)
7011ATYNSULP4 39.0 26.3 P4: ISO Class 4 10000 13800 0.385

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A
NSK Product Type Super Precision Bearing
Designations 7011A

© NSK Ltd.

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