NK 18/16 Needle Roller Bearing 18x26x16mm
Category: Needle Roller Bearings
Specifications
Inner Diameter (ID)
18
Outer Diameter (OD)
26
Width (W)
16
Overall Size (IDxODxW)
18x26x16
Dynamic Load Rating
12.8 kN
Static Load Rating
17.6 kN
Reference Speed
22 000 rpm
Limiting Speed
24 000 rpm
Cage Material
Non-Metallic
Seal Type
None On Both Sides
Clearance
CN
Precision
Grade 0
Operating Temperature
-30 °C to +120 °C
Mass
0.025 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. 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.
SPECIFICATIONS
| Inner Diameter | 18 mm | Number of Rows | Single Row |
| Outer Diameter | 26 mm | Cage Material | Sheet Steel |
| Width | 16 mm | Seal Type | None On Both Sides |
| Dynamic Load Rating | 12.8 kN | Clearance | CN |
| Static Load Rating | 17.6 kN | Precision | Grade 0 |
| Fatigue Load Limit | 2.12 kN | Min Temperature | -30 °C |
| Reference Speed | 22 000 rpm | Max Temperature | +120 °C |
| Limiting Speed | 24 000 rpm | Size Standard | Metric System |
| Rolling Element | Roller | Mass | 0.025 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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Well suited for applications with limited radial space.
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