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7934C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7934CTRSUELP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7934CTRSUELP4

Boundary Dimensions

d 170 mm Bore diameter
D 230 mm Outside diameter
B 28 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 142 kN Basic Dynamic Load Rating
C0r 148 kN Basic Static Load Rating

Speeds

Grease 5300 min-1 Limiting Speed
Oil (Oil-air) 8300 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 40.8 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 180 mm Diameter of Shaft Abutment
Da(max.) 220 mm Diameter of Housing Abutment
Db(max.) 224 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 88.5 kN Permissible Axial Load

Calculation factors

f0 16.8 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 486N 150N/μm -9μm
L 968N 200N/μm -20μm
M 2186N 287N/μm -40μm
H 4334N 400N/μm -65μm

Additional information

16 g/brg Recommended Grease Quantities

Mass

3.36 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)
7934CTRSUELP4 142 148 P4: ISO Class 4 5300 8300 3.36

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7934C

© NSK Ltd.

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