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NTN 30311D MEDIUM SIZE TAPERED ROLLER BRG
MODEL 30311D
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$67.81 Each
Prices are subject to change
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Brand Minimum Order Quantity: 3
Typically Ships in: 1 day
Returnable:No
Bearing Type
Tapered roller bearing
Enclosure
Open
Material
Through hardened steel
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
Limiting Speed - Oil | 3800 RPM |
Limiting Speed - Grease | 2900 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 | 34500 lbf154000 N154.00 kN |
Dynamic Load Rating | 29700 lbf132000 N132.00 kN |
Enclosure | Open |
Weight | 3.505 lb1.590 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 | 0.8268 in21.000 mm |
B | 1.1417 in29.000 mm |
a (Effective Load Center) | -0.2559 in-6.500 mm |
T | 1.2402 in31.500 mm |
r | 0.0800 in2.000 mm |
R | 0.08 in2.0 mm |
da | 2.64 in67.0 mm |
db | 2.68 in68.0 mm |
Da | 4.33 in110.0 mm |
Da min | 3.70 in94.0 mm |
Db | 4.45 in113.0 mm |
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