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7217A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7217A5TYNSUELP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7217A5TYNSUELP3

Boundary Dimensions

d 85 mm Bore diameter
D 150 mm Outside diameter
B 28 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 129 kN Basic Dynamic Load Rating
C0r 86.5 kN Basic Static Load Rating

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

Grease 8500 min-1 Limiting Speed
Oil (Oil-air) 12000 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 41.4 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 95 mm Diameter of Shaft Abutment
Da(max.) 140 mm Diameter of Housing Abutment
Db(max.) 144 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet

Performance

Pa 70.0 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 530N 217N/μm -10μm
L 1095N 283N/μm -19μm
M 2431N 383N/μm -35μm
H 4882N 507N/μm -57μm

Additional information

10 g/brg Recommended Grease Quantities

Mass

1.79 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)
7217A5TYNSUELP3 129 86.5 P3: Special class (ISO Class 4 dimensional tolerances and ISO Class 2 running accuracy.) 8500 12000 1.79

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7217A5

© NSK Ltd.

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