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NTN 30311D MEDIUM SIZE TAPERED ROLLER BRG

BRAND: NTN Bearing | MODEL: 30311D | CONDITION: NEW | SKU: 281766
NTN 30311D MEDIUM SIZE TAPERED ROLLER BRG

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$98.54
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Additional Description

Technical Specifications

material Through Hardened Steel
enclosure Open
bearing type Tapered Roller Bearing

CAD drawing

Description

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 lbf / 154000 N / 154.00 kN
Dynamic Load Rating 29700 lbf / 132000 N / 132.00 kN
Enclosure Open
Weight 3.505 lb / 1.590 kg
Operating Temperature Range -40 to 250 ºF / -40 to 120 ºC
Dimensional Specifications
d 2.1654 in / 55.000 mm
D 4.7244 in / 120.000 mm
C 0.8268 in / 21.000 mm
B 1.1417 in / 29.000 mm
a (Effective Load Center) -0.2559 in / -6.500 mm
T 1.2402 in / 31.500 mm
r 0.0800 in / 2.000 mm
R 0.08 in / 2.0 mm
da 2.64 in / 67.0 mm
db 2.68 in / 68.0 mm
Da 4.33 in / 110.0 mm
Da min 3.70 in / 94.0 mm
Db 4.45 in / 113.0 mm