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NTN 30311 Medium Size Tapered Roller Bearing
MODEL 30311
$449.59 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Case Carburized Steel |
Limiting Speed - Oil | 4400 RPM |
Limiting Speed - Grease | 3300 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 | 40000 lbf179000 N179.00 kN |
Dynamic Load Rating | 35000 lbf155000 N155.00 kN |
Enclosure | Open |
Weight | 3.660 lb1.660 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 2.1654 in55.000 mm |
D | 4.7244 in120.000 mm |
C | 0.9843 in25.000 mm |
B | 1.1417 in29.000 mm |
a (Effective Load Center) | -0.2756 in-7.000 mm |
T | 1.2402 in31.500 mm |
r | 0.0800 in2.000 mm |
R | 0.10 in2.5 mm |
da | 2.64 in67.0 mm |
db | 2.80 in71.0 mm |
Da | 4.33 in110.0 mm |
Da min | 4.09 in104.0 mm |
Db | 4.37 in111.0 mm |
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