TAF172520 Needle Roller Bearing Without Inner Ring (Alt P/N: NK17/20, NK17/20A)

TAF172520 Single Row Needle Roller Bearing with Machined Rings, with Flanges, without Inner Ring (Interchange Part No.: NK17/20, NK17/20A), Metric Size, Single Row, Light Series.

Size: 17x25x20mm

Inside Diameter (Fw): 17 mm

Outside Diameter (D): 25 mm

Width (C): 20 mm

Ring Material: Chrome Steel

Roller Material: Chrome Steel

Cage Material: Steel

Operating Temp: -30 °C to 120 °C

HS Code: 8482500090

Single row needle roller bearings without an inner ring consist of an outer ring with a needle roller and cage assembly. They are an excellent choice for compact bearing arrangements in applications where hardened and ground raceways can be provided on the shaft. The outer ring includes two non-separable closure rings that act as flanges to guide the bearing axially.

Needle bearings are heavily used in automobile components such as rocker arm pivots, pumps, compressors and transmissions. The drive shaft of a rear-wheel drive vehicle typically has at least eight needle bearings (four in each U joint) and often more if it is particularly long, or operates on steep slopes.

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