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ZKLF Series Spindle Bearings

The rolling elements of the ZKLF series spindle bearings are mostly made of high-performance ceramic materials or specially heat-treated steel. After fine grinding, they have a mirror-like smooth surface and the dimensional accuracy reaches the micrometer level, greatly reducing rolling friction, adapting to ultra-high-speed rotation, and minimizing heat generation and wear.

ZKLF Series Spindle Bearings
ZKLF Series Spindle Bearings
  Type Main dimensions Rated load Rated speed
      Dynamics Static Speed limit
Mail   d[mm] D[mm] B[mm] C[kN] C0[kN] [r/min]
ZKLF50140-2RS-XL 50 140 54 250000.0 125000.0 -
ZKLF50115-2RS-XL 50 115 34 126000.0 51000.0 -
ZKLF40115-2RS-XL 40 115 46 149000.0 79000.0 -
ZKLF40100-2RS-XL 40 100 34 101000.0 47500.0 -
ZKLF3590-2RS-XL 35 90 34 89000.0 45000.0 -
ZKLF30100-2RS-XL 30 100 38 108000.0 65000.0 -
ZKLF3080-2RS-XL 30 80 28 64000.0 32000.0 -
ZKLF2575-2RS-XL 25 75 28 55000.0 30500.0 -
ZKLF2068-2RS-XL 20 68 28 47000.0 28500.0 -
ZKLF1762-2RS-XL 17 62 25 31000.0 20700.0 -
ZKLF1560-2RS-XL 15 60 25 1650.0 28000.0 -
ZKLF1255-2RS-XL 12 55 25 24700.0 18600.0 -
Dentail
  • High-quality Rolling Elements:The rolling elements of the ZKLF series spindle bearings are mostly made of high-performance ceramic materials or specially heat-treated steel. After fine grinding, they have a mirror-like smooth surface and the dimensional accuracy reaches the micrometer level, greatly reducing rolling friction, adapting to ultra-high-speed rotation, and minimizing heat generation and wear.
  • Precision Ring Fabrication:The inner and outer rings are made of high-strength alloy steel. Through advanced forging, precision turning, grinding and optimized heat treatment processes, the roundness, cylindricity and surface hardness are controlled to extremely high standards, matching precisely with the rolling elements to ensure the overall rigidity and stability of the bearing.
Application
The bearings can be used in the following industries
  • Machine Tool Machining Field:As a key component of the spindles of advanced machine tools such as CNC machining centers and high-speed grinding machines, it helps tools to cut at high speed and with high precision, machining complex and precise parts.
  • Precision Manufacturing Industry:In precision instrument assembly and high-end electronic product manufacturing, it provides reliable rotary support for ultra-precision machining and fine assembly, ensuring product quality.
  • Aerospace Industry:Used in the spindles of aircraft engines and the rotating shafts of navigation equipment, it bears high-speed rotation and complex forces, ensuring the high-performance operation of flight equipment.
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