7226A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7226A5TRSUELP5

Boundary Dimensions

d 130 mm Bore diameter
D 230 mm Outside diameter
B 40 mm Width
r(min.) 3 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension

Basic Load Ratings

Cr 206 kN Basic Dynamic Load Rating
C0r 199 kN Basic Static Load Rating

Speeds

Grease 5600 min-1 Limiting Speed
Oil (Oil-air) 8400 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 62.0 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 144 mm Diameter of Shaft Abutment
Da(max.) 216 mm Diameter of Housing Abutment
Db(max.) 223 mm Diameter of Housing Abutment
ra(max.) 2.5 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet

Performance

Pa 163 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 1189N 337N/μm -15μm
L 2452N 438N/μm -28μm
M 5569N 597N/μm -52μm
H 10929N 783N/μm -83μm

Additional information

32 g/brg Recommended Grease Quantities

Mass

6.22 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7226A5
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