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| Width T (mm) | 31.5 |
| Load direction | Radial |
| Outer ring type | Flat |
| Inner Diameter d (Φmm) | 55 |
Width T (mm) |
31.5 |
Load direction |
Radial |
Outer ring type |
Flat |
Inner Diameter d (Φmm) |
55 |
Country of Origin |
Japan |
No. of Track Trains |
Single row |
Shield Shape |
Open type |
Race ring shape |
Tapered roller bearing |
Material |
High Carbon Chromium Bearing Steel |
Outer Diameter D (Φmm) |
120 |
JIS grade |
5 |
Width B (mm) |
29 |
Monotaro ID |
8839372 |
Type of Product |
Tapered Roller Bearing 30000 Series |
Model No |
30311UP5 |
Contact Angle |
Over 10 ° and below 17 ° |
Working Point a (mm) |
24.5 |
Dimensions C (mm) |
25 |
Chamfer Dimension r1 (mm) |
2 (minimum) |
Reference mass (g) |
1660 |
Width C (mm) |
25 |
Basic static load rating Cor (N) |
179000 |
Basic dynamic load rating Cr (N) |
155000 |
Import Country |
Direct Import from Japan |
Name of Manufacturer/Packer/Importer |
NTN Corporation |
Chamfer Dimension r (mm) |
2.5 (minimum) |
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