Item # 31320X, 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 2400 RPM
Limiting Speed - Grease	N/A 1800 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 98000 lbf435000 N435.00 kN
Dynamic Load Rating	N/A 80000 lbf355000 N355.00 kN
Enclosure	N/A Open
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 3.9370 in100.000 mm
D	N/A 8.4646 in215.000 mm
C	N/A 1.3780 in35.000 mm
B	N/A 2.0079 in51.000 mm
a (Effective Load Center)	N/A 0.4921 in12.500 mm
T	N/A 2.2244 in56.500 mm
r	N/A 0.1200 in3.000 mm
R	N/A 0.16 in4.0 mm
da	N/A 118.0 mm
db	N/A 4.76 in121.0 mm
Da	N/A 7.91 in201.0 mm
Da min	N/A 6.61 in168.0 mm
Db	N/A 7.95 in202.0 mm