Polyurethane molded bearing R-shaped arc type + stainless steel external thread

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Description
Technical diameters

Inquiry	PDF	Polyurethane 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	R6002-40-9C2.5L20M10	15	40	9	6002	2.5	20	10	/
		122	R6002-40-9C10L15M10	15	40	9	6002	10	15	10	/
		123	R6002-40-12C1L12M10	15	40	12	6002	/	12	10	UMBRH15-40
		124	R6002-40-12C3.5L12M10	15	40	12	6002	3.5	12	10	/
		125	R6002-40-12C1L20M10	15	40	12	6002	/	20	10	UMBRT15-40
		126	R6002-40-12C8.5L15M10	15	40	12	6002	8.5	15	10	/
		127	R6202-45-11C1L12M10	15	45	11	6202	/	12	10	UMBRH15-45A
		128	R6202-45-11C3L12M10	15	45	11	6202	3	12	10	/
		129	R6202-45-11C4L12M10	15	45	11	6202	/	12	10	/
		130	R6202-45-11C3L20M10	15	45	11	6202	3	20	10	/
		131	R6202-45-11C8L12M10	15	45	11	6202	8	12	10	/
		132	R6202-45-11C1L20M10	15	45	11	6202	1	20	10	UMBRT15-45A
		133	R6202-45-15C1L12M10	15	45	15	6202	/	12	10	UMBRH15-45
		134	R6202-45-15C2L12M10	15	45	15	6202	2	12	10	/
		135	R6202-45-15C1L20M10	15	45	15	6202	/	20	10	UMBRT15-45
		136	R6202-45-15C6L12M10	15	45	15	6202	6	12	10	/
		137	R6904-45-9C1L12M10	20	45	9	6904	/	12	10	UMBRH20-45A
		138	R6904-45-9C1L20M10	20	45	9	6904	1	20	10	UMBRT20-45A
		139	R6904-45-9C2.5L12M10	20	45	9	6904	2.5	12	10	/
		140	R6904-45-9C2.5L20M10	20	45	9	6904	2.5	20	10	/
		141	R6904-45-12C1L12M10	20	45	12	6904	/	12	10	UMBRH20-45
		142	R6904-45-12C1L20M10	20	45	12	6904	1	20	10	UMBRT20-45
		143	R6204-55-14C1L12M10	20	55	14	6204	/	12	10	UMBRH20-55A
		144	R6204-55-14C1L20M10	20	55	14	6204	1	20	10	UMBRT20-55A
		145	R6204-55-14C3L12M10	20	55	14	6204	3	12	10	/
		146	R6204-55-14C3L20M10	20	55	14	6204	3	20	10	/
		147	R6204-55-14C7.5L12M10	20	55	14	6204	7.5	12	10	/
		148	R6204-55-18C1L12M10	20	55	18	6204	1	12	10	UMBRH20-55
		149	R6204-55-18C5.5L12M10	20	55	18	6204	5.5	12	10	/
		150	R6204-55-18C1L20M10	20	55	18	6204	1	20	10	UMBRT20-55
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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.