NTN 21308CW33
Spherical Roller Bearings w/ Standard Bore
(BRAND)：NTN
(Availability)：In Stock
Technical Specifications
Type
Spherical Roller Bearing
Bore Type
Round
Material
Through Hardened Steel
Cage Type
Pressed
Cage Material
Steel
Limiting Speed - Oil
6400 RPM
Limiting Speed - Grease
4900 RPM
e
0.26
Y1
2.55
Y2
3.80
Y0
2.50
Series
213
Radial Internal Clearance
CN
Ring Modification
Relube
Tolerance
JIS-0 RBEC-1
Static Load Rating
90000 N
Dynamic Load Rating
88000 N
Enclosure
Open
Weight
0.705 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
40.000 mm
D
90.000 mm
B
23.000 mm
d1
52.000 mm
D1
75.900 mm
r
1.500 mm
W0
3.500 mm
d0
3.000 mm
da min
48.500 mm
Da max
81.500 mm
ras max
1.500 mm
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