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Image for Illustration purposes only. Actual product may vary
NTN 30312 Medium Size Tapered Roller Bearing
MODEL 30312
$67.12 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Height
5.118
I.D.
2.3622 in
Length
5.118
O.D.
5.1181 in
Width
1.3189
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
Limiting Speed - Oil | 4000 RPM |
Limiting Speed - Grease | 3000 RPM |
Style | Cone & Cup |
Precision Rating | Class 0 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.35 |
Y2 (Axial Load Factor) | 1.74 |
Y0 (Axial Load Factor) | 0.96 |
Static Load Rating | 47000 lbf210000 N210.00 kN |
Dynamic Load Rating | 40500 lbf180000 N180.00 kN |
Enclosure | Open |
Weight | 4.542 lb2.060 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 2.3622 in60.000 mm |
D | 5.1181 in130.000 mm |
C | 1.0236 in26.000 mm |
B | 1.2205 in31.000 mm |
a (Effective Load Center) | 0.1083 in2.750 mm |
T | 1.3189 in33.500 mm |
r | 0.0800 in2.000 mm |
R | 0.10 in2.5 mm |
da | 2.91 in74.0 mm |
db | 3.03 in77.0 mm |
Da | 4.65 in118.0 mm |
Da min | 4.41 in112.0 mm |
Db | 4.72 in120.0 mm |
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