NTN BEARING CORPORATION OF AMERICA
NTN BEARING CORPORATION OF AMERICA
Head Office
1600 E. Bishop Court, P.O. Box 7604
Mount Prospect, IL 60056-7604, U.S.A.
Phone: 847-298-7500
Fax: 847-699-9744
Toll Free: 800-323-2358
Email: mkt@ntnamerica.com
Website: www.ntnamericas.com
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Tapered Roller Set - Metric Series
Tapered Roller Set - Metric Series - Dimensions
Unit of Measure
Items Tapered Roller Set - Metric Series
10R32005VC12UA
Tapered Roller Set - Metric Series 		Tapered Roller Set - Metric Series
30202
Tapered Roller Set - Metric Series 		Tapered Roller Set - Metric Series
30202P5
Tapered Roller Set - Metric Series 		Tapered Roller Set - Metric Series
30203
Tapered Roller Set - Metric Series 		Tapered Roller Set - Metric Series
30204
Tapered Roller Set - Metric Series
Type N/A Tapered Roller Bearing
Bore Type N/A Round
Material N/A Through Hardened Steel N/A Through Hardened Steel N/A Through Hardened Steel N/A Case Carburized Steel N/A Case Carburized Steel
Limiting Speed - Oil N/A N/A 13000 RPM N/A N/A 13000 RPM N/A 12000 RPM
Limiting Speed - Grease N/A N/A 9900 RPM N/A N/A 9900 RPM N/A 8800 RPM
d N/A 0.9843 in25.000 mm N/A 0.5906 in15.000 mm N/A 0.5906 in15.000 mm N/A 0.6693 in17.000 mm N/A 0.7874 in20.000 mm
D N/A 1.8504 in47.000 mm N/A 1.3780 in35.000 mm N/A 1.3780 in35.000 mm N/A 1.5748 in40.000 mm N/A 1.8504 in47.000 mm
C N/A 0.4528 in11.500 mm N/A 0.3937 in10.000 mm N/A 0.3937 in10.000 mm N/A 0.4331 in11.000 mm N/A 0.4724 in12.000 mm
B N/A 0.5906 in15.000 mm N/A 0.4331 in11.000 mm N/A 0.4331 in11.000 mm N/A 0.4724 in12.000 mm N/A 0.5512 in14.000 mm
a (Effective Load Center) N/A N/A -0.1280 in-3.250 mm N/A -0.1280 in-3.250 mm N/A -0.0689 in-1.750 mm N/A -0.1476 in-3.750 mm
r1as max N/A
T N/A 0.5906 in15.000 mm N/A 0.4626 in11.750 mm N/A 0.4626 in11.750 mm N/A 0.5217 in13.250 mm N/A 0.6004 in15.250 mm
r N/A 0.0400 in1.000 mm N/A 0.0200 in0.600 mm N/A 0.0200 in0.600 mm N/A 0.0400 in1.000 mm N/A 0.0400 in1.000 mm
R N/A 0.13 in3.3 mm N/A 0.02 in0.6 mm N/A 0.02 in0.6 mm N/A 0.04 in1.0 mm N/A 0.04 in1.0 mm
da N/A N/A 0.77 in19.5 mm N/A 0.77 in19.5 mm N/A 0.89 in22.5 mm N/A 1.00 in25.5 mm
db N/A N/A 0.81 in20.5 mm N/A 0.81 in20.5 mm N/A 0.91 in23.0 mm N/A 1.06 in27.0 mm
Da N/A N/A N/A 1.30 in33.0 mm N/A 1.36 in34.5 mm N/A 1.63 in41.5 mm
Da min N/A N/A N/A N/A 1.30 in33.0 mm N/A 1.57 in40.0 mm
Db N/A N/A 1.12 in28.5 mm N/A 1.12 in28.5 mm N/A 1.46 in37.0 mm N/A 1.73 in44.0 mm
ras max N/A
Style N/A Cone & Cup
Precision Rating N/A Class 0 N/A Class 0 N/A ISO Class 5 N/A Class 0 N/A Class 0
Cone Number N/A
Cup Number N/A
Configuration N/A One
Lubrication N/A w/o Oil Hole
e (Axial Load Factor) N/A 0.43 N/A 0.35 N/A 0.35 N/A 0.35 N/A 0.35
Y2 (Axial Load Factor) N/A 1.39 N/A 1.73 N/A 1.73 N/A 1.74 N/A 1.74
Y0 (Axial Load Factor) N/A N/A N/A N/A 0.96 N/A 0.96
Static Load Rating N/A 7100 lbf31500 N31.50 kN N/A 2770 lbf12300 N12.30 kN N/A 2770 lbf12300 N12.30 kN N/A 4550 lbf20300 N20.30 kN N/A 6450 lbf28700 N28.70 kN
Dynamic Load Rating N/A 6400 lbf28500 N28.50 kN N/A 3000 lbf13400 N13.40 kN N/A 3000 lbf13400 N13.40 kN N/A 4600 lbf20500 N20.50 kN N/A 6350 lbf28200 N28.20 kN
Enclosure N/A Open
Weight N/A N/A 0.117 lb0.053 kg N/A 0.114 lb0.052 kg N/A 0.176 lb0.080 kg N/A 0.280 lb0.127 kg
Operating Temperature Range N/A -40 to 250 ºF-40 to 120 ºC