Item # 30319D, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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Technical Specifications

Type	N/A Tapered Roller Bearing
Bore Type	N/A Round
Material	N/A Through Hardened Steel
Limiting Speed - Oil	N/A 2200 RPM
Limiting Speed - Grease	N/A 1700 RPM
Style	N/A Cone & Cup
Precision Rating	N/A Class 0
Configuration	N/A One
Lubrication	N/A w/o Oil Hole
e (Axial Load Factor)	N/A 0.83
Y2 (Axial Load Factor)	N/A 0.73
Y0 (Axial Load Factor)	N/A 0.40
Static Load Rating	N/A 80000 lbf355000 N355.00 kN
Dynamic Load Rating	N/A 66500 lbf296000 N296.00 kN
Enclosure	N/A Open
Weight	N/A 14.264 lb6.470 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Open Image Tapered Roller Set - Metric Series - Dimensions
d	N/A 3.7402 in95.000 mm
D	N/A 7.8740 in200.000 mm
C	N/A 1.2598 in32.000 mm
B	N/A 1.7717 in45.000 mm
a (Effective Load Center)	N/A 0.5118 in13.000 mm
T	N/A 1.9488 in49.500 mm
r	N/A 0.1000 in2.500 mm
R	N/A 0.12 in3.0 mm
da	N/A 4.45 in113.0 mm
db	N/A 4.49 in114.0 mm
Da	N/A 6.22 in158.0 mm
Da min	N/A 5.87 in149.0 mm
Db	N/A 6.26 in159.0 mm