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Boundary Dimensions
d
45
mm
Bore diameter
D
85
mm
Outside diameter
B
23
mm
Width
FW
54.5
mm
Raceway diameter of inner ring
r (min.)
1.1
mm
Chamfer dimension
r1 (min.)
1.1
mm
Chamfer dimension
Basic Load Ratings
Cr
93500
N
Basic dynamic load rating
C0r
84500
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
8500
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil)
10000
min-1
Properly designed and controlled forced-circulation oil lubrication
Grease
6700
min-1
Grease lubrication
Oil (Oil-bath)
8500
min-1
Oil-bath lubrication
Abutment and Fillet Dimensions
db (min.)
51.5
mm
Diameter of shaft / spacer sleeve abutment
db (max.)
52
mm
Diameter of shaft / spacer sleeve abutment
dc (min.)
57
mm
Diameter of shaft abutment
Da (max.)
78.5
mm
Diameter of housing abutment
ra (max.)
1
mm
Radius of shaft or housing fillet
rb (max.)
1
mm
Radius of shaft or housing fillet
Mass
(approx.)
0.521
kg
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Properties
Types
NU-Type
Design
( ): Cylindrical bore
TWB TMB HRB ZWZ LYC C&ULS NSK FAG ROLLWAY bearing
Cage
T: Polyamide 66 resin cage
Radial Internal Clearance
CN
Tolerance
ISO NORMAL CLASS
<>ZWZ NU2209ET