Needle Roller And Cage Assemblies K21X25X13

The K21X25X13 is a compact needle roller and cage assembly, measuring 21mm in bore diameter and 25mm outside, with a width of just 13mm. Its steel construction ensures durability under heavy radial loads up to 2272 lbf.
Designed for high-speed applications, it can handle rotations up to 20900 RPM, making it suitable for demanding environments. The single-row design with a steel cage provides reliable performance and easy installation.
This assembly is interchangeable with INA bearings, offering a practical replacement option. It operates efficiently in temperatures ranging from -30°C to 110°C.
Weighing only 9 grams, it’s lightweight yet robust, ideal for use in gearboxes, pumps, or small machinery where space and speed are critical. Compliant with RoHS standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number K21X25X13
Brand TFL
Interchangeable INA
Bore Dia 21 mm
Outer Dia 25 mm
Width 13 mm
System of Measurement Metric
Roller Bearing Type Needle
Construction Single Row
Series K Series
Cage Material Steel
Needle Material Steel
Dynamic Radial Load 2272 lbf
Static Radial Load 3398 lbf
Temperature Range -30° to 110 °C
RoHS Compliant
Max Speed 20900 rpm
Weight 9 g

Needle Roller And Cage Assemblies K21X25X13 dimension drawing

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Features

Why Choose K21X25X13 Bearing for Precision Tasks?
K21X25X13 Bearing features a steel cage and needles, ensuring precise alignment and smooth operation.
Its dynamic radial load capacity of 2272 lbf makes it suitable for high-performance applications.
The compact design with a width of 13 mm allows for easy integration into tight spaces.
With a maximum speed of 20,900 rpm, it delivers reliable performance in high-speed environments.
K21X25X13 Bearing operates efficiently within a temperature range of -30° to 110°C.
Its lightweight construction at just 9 g reduces overall system weight without compromising durability.

Application

Key Fields for K21X25X13 Bearing
K21X25X13 Bearing is widely used in industrial gearboxes, where its compact design and high load capacity make it ideal for space-constrained applications. The steel construction ensures durability even in demanding environments.

In automotive transmissions, K21X25X13 Bearing provides smooth operation under high radial loads, enhancing performance and longevity. Its metric sizing allows for easy integration with various vehicle models.

For automation systems, K21X25X13 Bearing supports precise movements in robotic arms and conveyor belts. The high-speed capability ensures reliable performance in continuous operation.

Medical devices like diagnostic equipment benefit from K21X25X13 Bearing’s consistent performance and low maintenance requirements. The steel needles and cage offer excellent wear resistance.