NTN 30318D
Tapered Roller Set - Metric Series
(BRAND)：NTN
(Availability)：In Stock
Technical Specifications
Type
Tapered Roller Bearing
Bore Type
Round
Material
Through Hardened Steel
Limiting Speed - Oil
2400 RPM
Limiting Speed - Grease
1800 RPM
Style
Cone & Cup
Precision Rating
Class 0
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.83
Y2 (Axial Load Factor)
0.73
Y0 (Axial Load Factor)
0.40
Static Load Rating
320000 N
Dynamic Load Rating
270000 N
Enclosure
Open
Weight
5.660 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
90.000 mm
D
190.000 mm
C
30.000 mm
B
43.000 mm
a (Effective Load Center)
12.500 mm
T
46.500 mm
r
2.500 mm
R
3.0 mm
da
108.0 mm
db
109.0 mm
Da
176.0 mm
Da min
165.0 mm
Db
177.0 mm
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