Silicone molded bearing + stainless steel external thread

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Description
Technical diameters

Inquiry	PDF	Silicone molded bearing + stainless steel external thread		Lagging size			Screw size				Replacement of Misumi code name
Inquiry	PDF	serial number	bearing No.	Inner diameter mm	Outer diameter mm	Thickness mm	Built-in bearing	Step protruding C	Screw length L	Thread M	Replacement of Misumi code name
		121	6202-45-15C6L12M1010	15	45	15	6202	6	12	10	/
		122	6904-45-9C1L12M100	20	45	9	6904	/	12	10	SUMBH20-45A
		123	6904-45-9C2.5L12M10110	20	45	9	6904	2.5	12	10	/
		124	6904-45-9C1L20M100	20	45	9	6904	/	20	10	SUMBT20-45A
		125	6904-45-9C2.5L20M10110	20	45	9	6904	2.5	20	10	/
		126	6904-45-12C1L12M1010	20	45	12	6904	/	12	10	SUMBH20-45
		127	6904-45-12C1L20M10 10	20	45	12	6904	/	20	10	SUMBT20-45
		128	6204-55-14C1L12M1010	20	55	14	6204	/	12	10	SUMBH20-55A
		129	6204-55-14C3L12M1010	20	55	14	6204	3	12	10	/
		130	6204-55-14C1L20M1010	20	55	14	6204	1	20	10	SUMBT20-55A
		131	6204-55-14C3L20M1010	20	55	14	6204	3	20	10	/
		132	6204-55-14C7.5L12M10 M10	20	55	14	6204	7.5	12	10	/
		133	6204-55-18C1L12M1010	20	55	18	6204	/	12	10	SUMBH20-55
		134	6204-55-18C1L20M1010	20	55	18	6204	1	20	10	SUMBT20-55
		135	6204-55-18C55L12M10 M10	20	55	18	6204	5.5	12	10	/
		136	6205-65-15C1L12M1010	25	65	15	6205	/	12	10	SUMBH25-65A
		137	6205-65-15C3L12M1010	25	65	15	6205	3	12	10	/
		138	6205-65-15C1L20M1010	25	65	15	6205	/	20	10	SUMBT25-65A
		139	6205-65-15C3L20M1010	25	65	15	6205	3	20	10	/
		140	6205-65-15C3L40M10 10	25	65	15	6205	3	40	10	/
		141	6205-65-19C¹L12M10 10	25	65	19	6205	/	12	10	SUMBH25-65
		142	6205-65-19C1L20M1010	25	65	19	6205	1	20	10	SUMBT25-65
		/	1436205-65-19C1L40M1010	25	65	19	6205	1	40	10	/
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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.