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Needle Roller Bearing Cages

Home / Products / Needle Roller Bearing Cages / Radial Needle Roller and Cage Assembly (K/KK Series)
  • Radial Needle Roller and Cage Assembly (K/KK Series)
  • Radial Needle Roller and Cage Assembly (K/KK Series)
  • Radial Needle Roller and Cage Assembly (K/KK Series)
  • Radial Needle Roller and Cage Assembly (K/KK Series)
  • Radial Needle Roller and Cage Assembly (K/KK Series)
  • Radial Needle Roller and Cage Assembly (K/KK Series)
  • Radial Needle Roller and Cage Assembly (K/KK Series)

Radial Needle Roller and Cage Assembly (K/KK Series)

K/KK Series Radial Needle Roller and Cage Assembly is Designed for engineers who refuse to compromise between performance and space efficiency, this assembly combines precision-ground needle rollers with a robust stamped steel or polymer cage — delivering exceptional radial load-bearing capability where conventional bearings simply can't fit.

The needle rollers in the K/KK Series have a high length-to-diameter ratio, which dramatically increases the contact surface between rolling elements and the raceway. 

More contact means more load distribution, less stress concentration, and longer operational life — even under demanding duty cycles. The cage maintains uniform roller spacing, preventing skewing, reducing friction, and ensuring consistent, smooth rotation at all times.

The K/KK Series is the workhorse of the motion control world. You'll find it inside automotive transmissions, gearboxes, power tools, textile machinery, and agricultural equipment — anywhere engineers need a thin, compact bearing solution that won't back down from heavy radial loads.

Available in a wide range of bore diameters and widths, the K/KK Series integrates directly into bored housings or onto hardened shafts, eliminating the need for separate inner rings in many applications and reducing both part count and assembly complexity. 

The KK variant offers double-row configuration for applications requiring enhanced load capacity without increasing the radial envelope.

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Jiaxing Yiteng Intelligent Technology Co., Ltd.
Jiaxing Yiteng Intelligent Technology Co., Ltd.

Jiaxing Yiteng Intelligent Technology Co., Ltd. is a manufacturer specializing in the production and processing of nylon cages, bearing cages, and other related products. Its predecessor was Jiashan Weida Plastic Factory, which was established in 2009, while Jiaxing Yiteng Intelligent Technology Co., Ltd. was founded in 2020. Our company maintains a complete and scientific quality management system. Jiaxing Yiteng Intelligent Technology Co., Ltd. has earned recognition within the industry for its integrity, strong capabilities, and product quality. We welcome friends from all walks of life to visit, provide guidance, and discuss business cooperation!

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