NTN 30308C
Tapered Roller Set - Metric Series
(BRAND)：NTN
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Technical Specifications
Type
Tapered Roller Bearing
Bore Type
Round
Material
Through Hardened Steel
Limiting Speed - Oil
5600 RPM
Limiting Speed - Grease
4200 RPM
Style
Cone & Cup
Precision Rating
Class 0
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.55
Y2 (Axial Load Factor)
1.10
Y0 (Axial Load Factor)
0.60
Static Load Rating
87000 N
Dynamic Load Rating
83000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
40.000 mm
D
90.000 mm
C
19.000 mm
B
23.000 mm
a (Effective Load Center)
-2.250 mm
T
25.250 mm
r
1.500 mm
R
2.0 mm
da
50.0 mm
db
50.0 mm
Da
80.0 mm
Da min
72.0 mm
Db
85.5 mm
