Polyurethane molded bearing + stainless steel external thread

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Polyurethane molded bearing + stainless steel external thread
HeBei TuoAn Bearing Co.,Ltd

Polyurethane molded bearing + stainless steel external thread

  • Polyurethane molded bearing + stainless steel external thread
  • Polyurethane molded bearing + stainless steel external thread
  • Polyurethane molded bearing + stainless steel external thread
InquiryPDFPolyurethane molded bearing + stainless steel external threadLagging sizeScrew sizeReplacement of Misumi code name
serial numberbearing No.Inner diameter mmOuter diameter mmThickness mmBuilt-in bearingStep protruding CScrew length LThread M
391 608-31-8C2.5L8M6 8 31 8 608 2.5 8 6 /
392 608-31-8C8L8M6 8 31 8 608 8 8 6 /
393 608-31-8C3.5L10M6 8 31 / 608 3.5 10 / /
394 608-31-8C3.5L10M8 8 31 8 608 3.5 10 8 /
395 608-31-8C4L10M8 8 31 8 608 / 10 8 /
396 608-31-8C4.5L10M8 8 31 8 608 4.5 10 8 /
397 608-31-8C1L12M6 8 31 8 608 / 12 6 /
398 398608-31-8C2.5L12M6 8 31 8 608 2.5 12 6 /
399 608-31-8C2.5L15M6 8 31 8 608 2.5 15 6 /
400 608-31-8C3L15M8 8 31 8 608 3 15 8 /
401 608-31-8C4L15M⁸ 8 31 8 608 4 15 8 /
402 6000-32-10C1L8M6 10 32 10 6000 / 8 6 /
403 6000-32-10C1.5L10M8 10 32 10 6000 1.5 10 8 /
404 6000-32-10C1.5L12M6 10 32 10 6000 1.5 12 6 /
405 6000-32-10C1.5L25M8 10 32 10 6000 1.5 25 8 /
406 608-32-12C0.5L8M6 8 32 12 608 0.5 8 6 /
407 608-32-12C6L8M6 8 32 12 608 6 8 6 /
408 608-32-12C1.5L10M6 8 32 12 608 1.5 10 6 /
409 608-32-12C1.5L10M8 8 32 12 608 1.5 10 8 /
410 608-32-12C2L10M8 8 32 12 608 2 10 8 /
411 608-32-12C2.5L10M8 8 32 12 608 2.5 10 8 /
412 608-32-12C0.5L15M6 8 32 12 608 0.5 15 6 /
413 608-32-12C1L15M8 8 32 12 608 / 15 8 /
414 608-32-12C2L15M8 8 32 12 608 2 15 8 /
415 626-33-7C0.5L7M6 6 33 / 626 0.5 / 6 /
416 626-33-7C0.5L8M6 6 33 7 626 0.5 8 6 /
417 626-33-7C1L8M6 6 33 7 626 / 8 6 /
418 626-33-7C1.5L8M6 6 33 / 626 1.5 8 6 /
419 626-33-7C2L8M6 6 33 7 626 2 8 6 /
420 626-33-7C2.5L8M6 / 33 7 626 2.5 8 6 /

1. What is a rubber-coated bearing?

A rubber-coated bearing refers to a non-standard bearing suitable for use under certain conditions, formed by injecting or bonding rubber products on the bearing surface through a casting mold.


2. Characteristics and classification of rubber-coated bearings

Rubber-coated bearings have excellent strength and wear resistance, heat resistance, hydrolysis resistance, and aging resistance. They have bright appearance, fine and smooth colloid surface, strong bonding between the colloid material and the shaft core, and a wide range of hardness.

In addition, rubber-coated bearings have the advantages of shock load resistance and low noise compared to ordinary bearings. Commonly used coating materials include the following:

(1) Polyurethane rubber rollers have good chemical properties, good solvent resistance, anti-aging, tear resistance, and good resilience.

(2) Silicone rubber coated bearings have good heat resistance, cold resistance, ozone and atmospheric aging resistance. The lack of electricity results in poor mechanical properties such as tensile strength and tear strength, and poor oil resistance and organic solvent resistance.

(3) Polyacetal (POM) coated bearings have high mechanical strength and rigidity, high fatigue strength, good resistance to organic solvents, and stronger wear resistance than polyurethane. However, they have the disadvantages of poor acid resistance, large molding shrinkage, and long life.

Easily decomposes under high temperature.

In addition, there are also rubber-coated bearings made of nitrile rubber, fluororubber and other coating materials.