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KH-PP Linear Bearing

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  • KH-PP Linear Bearing
KH-PP Linear Bearing

KH-PP Linear Bearing

The KH-PP series linear bearing is a high-performance linear bearing specifically optimized for woodworking machinery and sawdust environments. While fully inheriting the high precision and low friction core performance of standard LM-UU type bearings, its unique "breathing" outer cylinder design revolutionarily solves the two major problems of sawdust accumulation and overheating in woodworking equipment. It is a dedicated solution for achieving long-lasting, smooth operation in woodworking machinery.

Inquiry
PREV: SDMF-UU/SDMK-UU Steel Cage Flange Linear Bearing Next: LME-L-UU European Standard Long Type Linear Bearing

Technology

Designed specifically for the dusty, fine sawdust environment of woodworking workshops, the KH-PP design directly addresses these pain points:

Feature Dimensions KH-PP Series (for woodworking) Standard LM-UU Series (General-purpose) Conclusion
Wood Shaving Capacity Active discharge. The open design allows wood shavings to flow in and out, preventing accumulation. Passive sealing. Once wood chips penetrate the seal and enter the interior, they will accelerate wear until the unit seizes up. In environments with high levels of wood dust, the KH-PP demonstrates a clear advantage in terms of reliability.
Heat Dissipation Performance Excellent. Natural convection cooling, suitable for woodworking machinery operating continuously for long periods. Standard. Relies on natural convection through the metal housing for cooling; prone to overheating during prolonged operation. For equipment that needs to be operated continuously for long periods, the KH-PP is better able to maintain stable performance.
Installation and Compatibility Fully interchangeable with the LM-UU. With identical shaft diameter, outer diameter and mounting holes, these bearings can directly replace standard bearings in exist Industry-standard components. Upgrading existing woodworking equipment incurs no cost and requires no modifications.

Technical Details
Core Structure: The precision ball bushing outer cylinder features an innovative design with axial long openings and reinforcing ribs, balancing strength and chip removal functionality.
Core Performance: Internal raceway, ball precision, load capacity, and service life are completely consistent with the same specifications of LM-UU bearings.
Basic Protection: Standard rubber seals (UU) are still installed at both ends, and long-lasting grease is pre-filled at the factory, providing basic dust protection and lubrication.

Applications
The KH-PP is the reliable heart of the following woodworking machinery:
X, Y, and Z axis guidance for CNC woodworking engraving/milling machines.
Feeding and pressing guides for automatic edge banding machines.
Sliders and moving parts for table saws and band saws.
Feeding mechanisms for woodworking lathes and sanding machines.

The KH-PP linear bearing is the "intelligent evolution" of the LM-UU in the woodworking field.
With a clever structure, it transforms passive into active, solving the sawdust and heat dissipation problems that plague woodworking equipment from the source. Choosing KH-PP means choosing not only a bearing for your equipment, but also professional protection tailored to the specific working conditions of the woodworking industry. It significantly reduces the frequency of downtime and maintenance caused by bearing seizure, improving equipment uptime and processing stability, making it a reliable choice for woodworking machinery manufacturers and users.

Parameters

Type Number of ball rows Weight (g) Main dimension (mm) Basic load rating
d D b dynamic (C N) static (Co N)
KH 0824 KH 0824-PP 4 11.3 8 15 24 435 280
KH 1026 KH 1026-PP 4 14.4 10 17 26 500 370
KH 1228 KH 1228-PP 5 18.1 12 19 28 620 510
KH 1428 KH 1428-PP 5 20.6 14 21 28 620 520
KH 1630 KH 1630-PP 5 27.2 16 24 30 800 620
KH 2030 KH 2030-PP 6 32.7 20 28 30 950 790
KH 2540 KH 2540-PP 6 66 25 35 40 1990 1670
KH 3050 KH 3050-PP 7 95 30 40 50 2800 2700
KH 4060 KH 4060-PP 8 180 40 52 60 4400 4450
KH 5070 KH 5070-PP 9 250 50 62 70 5500 6300

Drawings

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