NKI 32/20 Needle Roller Bearing 32x47x20mm
Category: Needle Roller Bearings
Specifications
Inner Diameter (ID)
32
Outer Diameter (OD)
47
Width (W)
20
Overall Size (IDxODxW)
32x47x20
Dynamic Load Rating
25.1 kN
Static Load Rating
46.5 kN
Reference Speed
11 000 rpm
Limiting Speed
12 000 rpm
Cage Material
Sheet Steel
Seal Type
None On Both Sides
Clearance
CN
Precision
Grade 0
Operating Temperature
-30 °C to +120 °C
Mass
0.118 kg
Details
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. The outer ring includes two non-separable closure rings that act as flanges to guide the bearing axially.
SPECIFICATIONS
| Inner Diameter | 32 mm | Number of Rows | Single Row |
| Outer Diameter | 47 mm | Cage Material | Sheet Steel |
| Width | 20 mm | Seal Type | None On Both Sides |
| Dynamic Load Rating | 25.1 kN | Clearance | CN |
| Static Load Rating | 46.5 kN | Precision | Grade 0 |
| Fatigue Load Limit | 5.85 kN | Min Temperature | -30 °C |
| Reference Speed | 11 000 rpm | Max Temperature | +120 °C |
| Limiting Speed | 12 000 rpm | Size Standard | Metric System |
| Rolling Element | Roller | Mass | 0.118 kg |
FEATURES AND BENEFITS
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High load-carrying capacity.
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Low cross-sectional height.
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Support both radial and axial loads.
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High stiffness with separable design.
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