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Needle Roller Bearings have long, thin cylindrical rollers resembling needles. They excel at handling high radial loads in tight spaces, making them ideal for automotive transmissions, gearboxes, and machinery. Lightweight, cost-effective, and suitable for high speeds, they distribute loads evenly and require proper lubrication for durability. Single-row variants without an inner ring work well in compact setups with hardened shaft raceways. The outer ring includes two non-separable closure rings that act as flanges to guide the bearing axially.
| Inner Diameter | 45 mm | Number of Rows | Single Row |
| Outer Diameter | 55 mm | Cage Material | Non-Metallic |
| Width | 30 mm | Seal Type | None On Both Sides |
| Dynamic Load Rating | 45.7 kN | Clearance | CN |
| Static Load Rating | 108 kN | Precision | Grade 0 |
| Fatigue Load Limit | 13.7 kN | Min Temperature | -30 °C |
| Reference Speed | 9 000 rpm | Max Temperature | +120 °C |
| Limiting Speed | 10 000 rpm | Size Standard | Metric System |
| Rolling Element | Roller | Mass | 0.132 kg |
FEATURES AND BENEFITS
High load-carrying capacity.
Low cross-sectional height.
Support both radial and axial loads.
Well suited for applications with limited radial space.
Specifications
Inner Diameter (ID): 45
Outer Diameter (OD): 55
Width (W): 30
Overall Size (IDxODxW): 45x55x30
Dynamic Load Rating: 45.7 kN
Static Load Rating: 108 kN
Reference Speed: 9 000 rpm
Limiting Speed: 10 000 rpm
Cage Material: Non-Metallic
Seal Type: None On Both Sides
Clearance: CN
Precision: Grade 0
Operating Temperature: -30 °C to +120 °C
Mass: 0.132 kg
