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Urethane Molded Rollers With Bearings


Product Overview
Urethane layer is sintered on the surface of the core material to form a roller with a high-adhesion coating layer, It is suitable for transportation and sliding of various workpieces.
Product Feature
Feature 1: Urethane layer is directly sintered on the outer perimeter of the core material and is not easy to fall off.
Feature 2: Based on its excellent mechanical strength and wear resistance, urethane is widely used to prevent the scars and cracks that occur when brittle objects such as glass and acrylic are transported.
Feature 3: Compared with metal rollers, urethane rollers are less likely to transmit vibration and sound.
Feature 4: Urethane has low dust-generating properties.
Feature 5: Hardness can be directly identified by urethane coloring (Green: A90; Black: A70).
Feature 6: MISUMI [economy series bearing] is adopted, which ensures smooth operation and greatly reduces costs.
Feature 7: Using ether type urethane, it is more resistant to hydrolysis than ester-type urethane and has lower environmental requirements, while maintaining higher mechanical strength and abrasion resistance.
 
■Characteristics Table
Detailed explanation of MISUMI urethane characteristic diagram
■List of Differences between high precision products and economy series products
ItemHigh precision productsEconomy series productsDifferences
Urethane layer
processing method
CastingCastingNot Provided
Origin of UrethaneGermanyChinaEconomy series products use China urethane, which has the same level of abrasion resistance as the Germany, and has better economic efficiency.
BearingJapanMISUMI Economy seriesMISUMI Economy series bearings ensure smooth rotation and better economy.

Dimensional Drawing
Polyurethane Bearing is a non-metallic elastomer
No surface treatment for core material.
Bearing Material: SUJ2.
Urethane is ether type urethane.
(dh) dimensions are for reference.

Specifications Overview
Type Core Material Urethane Hardness (Color)
Straight Type
C-RORUSStainless SteelShore A90
(Green)
C-RORUAAluminum
C-RORGSStainless SteelShore A70
(Black)
C-RORGAAluminum
Material color is subject to the actual product.
Urethane is sintered on the outer perimeter of the core material.
No surface treatment for core material.
Bearing Material: SUJ2.
 
Example of Use
Detailed example of MISUMI urethane roller transmission mechanism
Mechanism name: pallet vertical transfer mechanism
Mechanism function:
  Lift the workpiece on the conveyor and change the conveying direction.
Role of urethane roller:
  To receive the workpiece conveyed by the motor roller. Coated urethane layer protects the workpiece from damage.

Precautions
① Economy series urethane rollers use ether type urethane, which is resistant to hydrolysis and has lower environmental requirements. However, due to the SUJ2 material of the bearing, it is still necessary to pay attention to rust prevention
② Material color is subject to the actual product.
③ (dh) dimensions are not processed because the core material is an extruded pipe. The dimensions are for reference only.
④ If the tolerance is not marked on the dimensional drawing, general tolerance (intermediate) is guaranteed.

Related Industries
Electronic Automotive
Widely used in the manufacture of electronic appliances and other electronic products, with high acceptance SHAFTS FOR URETHANE MOLD BEARING Widely used in automotive industry, industrial fields such as automobiles, automotive manufacturing ENGINEERING PLUSES
Smart phone Semiconductor
Widely used in smart phone and other fields popular among the public GUIDE ROLLERS Widely used in semiconductor industry, semiconductor field and semiconductor equipment, well received  CONVEYOR ROLLERS PRESS WHEELS WITH BEARINGS TYPE

Related Products
Resin Collar Standard Stopper bolt with urethane Straight type Urethane molded bearing Inner wheel protruded For heavy load
Specific specifications and parameters of resin collar Stopper bolt with urethane Straight type Specifications and parameters Urethane molded bearing Inner wheel protruded For heavy load Concrete specifications and parameters
Typical model: CLJJ10-16-20.0 Typical model: UST8-40 Typical model: UMRHW40
Advantages: Optional inner and outer diameter and height, better price Suitable for conveying heavy load workpieces, compact tip, usable in narrow spaces Suitable for conveying heavy load workpieces

Specification Table
 Part Number
    
 Type·D-L
 C-RORUS25-20

■Material Specification Table
Type Core Material Urethane Hardness (Color)
Straight Type
C-RORUSStainless SteelShore A90
(Green)
C-RORUAAluminum
C-RORGSStainless SteelShore A70
(Black)
C-RORGAAluminum

■ Dimension Specification Table
Part NumberL
Selection
dD1Detailed explanation of alteration specifications of MISUMI rolling bearings(dh)BBearing Used
Nominal Model
Number of Bearings
TypeD
C-RORUS
C-RORUA
C-RORGS
C-RORGA
2520304050 615105696ZZ2
3020304050 819156698ZZ2
35 304050 10221866900ZZ2
40 30405010012282486001ZZ2
50 30405010015322896002ZZ2
(dh) dimensions are not processed because the core material is an extruded pipe. The dimensions are for reference only.

Part Number 

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Part Number
C-RORGA25-20
C-RORGA25-30
C-RORGA25-40
C-RORGA25-50
C-RORGA30-20
C-RORGA30-30
C-RORGA30-40
C-RORGA30-50
C-RORGA35-30
C-RORGA35-40
C-RORGA35-50
C-RORGA40-30
C-RORGA40-40
C-RORGA40-50
C-RORGA40-100
C-RORGA50-30
C-RORGA50-40
C-RORGA50-50
C-RORGA50-100
C-RORGS25-20
C-RORGS25-30
C-RORGS25-40
C-RORGS25-50
C-RORGS30-20
C-RORGS30-30
C-RORGS30-40
C-RORGS30-50
C-RORGS35-30
C-RORGS35-40
C-RORGS35-50
C-RORGS40-30
C-RORGS40-40
C-RORGS40-50
C-RORGS40-100
C-RORGS50-30
C-RORGS50-40
C-RORGS50-50
C-RORGS50-100
C-RORUA25-20
C-RORUA25-30
C-RORUA25-40
C-RORUA25-50
C-RORUA30-20
C-RORUA30-30
C-RORUA30-40
C-RORUA30-50
C-RORUA35-30
C-RORUA35-40
C-RORUA35-50
C-RORUA40-30
C-RORUA40-40
C-RORUA40-50
C-RORUA40-100
C-RORUA50-30
C-RORUA50-40
C-RORUA50-50
C-RORUA50-100
C-RORUS25-20
C-RORUS25-30
C-RORUS25-40
Part NumberMinimum order quantityVolume DiscountDays to ShipO.D.
(mm)
Length L
(mm)
Core Material / Urethane Hardness (Color)
1 Piece(s)Available Same day 2520Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 2530Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 2540Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available Same day 2550Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available Same day 3020Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available Same day 3030Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 3040Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available Same day 3050Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 3530Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 3540Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available Same day 3550Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available Same day 4030Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available Same day 4040Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 4050Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available Same day 40100Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 5030Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 5040Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available Same day 5050Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 50100Aluminum Alloy / Shore A70 (Black)
1 Piece(s)Available Same day 2520Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 2530Stainless Steel / Shore A70 (Black)
1 Piece(s)Available Same day 2540Stainless Steel / Shore A70 (Black)
1 Piece(s)Available Same day 2550Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 3020Stainless Steel / Shore A70 (Black)
1 Piece(s)Available Same day 3030Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 3040Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 3050Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 3530Stainless Steel / Shore A70 (Black)
1 Piece(s)Available Same day 3540Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 3550Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 4030Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 4040Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 4050Stainless Steel / Shore A70 (Black)
1 Piece(s)Available Same day 40100Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 5030Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 5040Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 5050Stainless Steel / Shore A70 (Black)
1 Piece(s)Available 6 Day(s) 50100Stainless Steel / Shore A70 (Black)
1 Piece(s)Available Same day 2520Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 2530Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 2540Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available Same day 2550Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available Same day 3020Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 3030Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 3040Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available Same day 3050Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 3530Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 3540Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 3550Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 4030Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 4040Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available Same day 4050Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available Same day 40100Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 5030Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 5040Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available Same day 5050Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available Same day 50100Aluminum Alloy / Shore A90 (Green)
1 Piece(s)Available Same day 2520Stainless Steel / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 2530Stainless Steel / Shore A90 (Green)
1 Piece(s)Available 6 Day(s) 2540Stainless Steel / Shore A90 (Green)

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Basic Information

Roller Type Urethane / Rubber Roller Urethane Rubber Processing Lining Mounting Method With Bearings
Roller Shape Straight Surface Treatment Not Provided Bearing Material Steel

Frequently asked question (FAQ)

Question: Is there a big difference in hardness and wear resistance between economy series urethane rollers and existing products from MISUMI?
Answer: The urethane liner of the economy series urethane roller does not use hardener to adjust the hardness, and instead the raw materials of corresponding hardness are purchased directly. The results of the laboratory test show that the hardness stability is good and the deviation is small, and the wear resistance is almost the same as that of MISUMI existing products.
Question: Can urethane be wiped with alcohol?
Answer: Yes, only a small amount of alcohol can be applied for wiping.
Urethane is a chemical resistant material, susceptible to corrosion. It can be dried or placed naturally after applying a small amount of alcohol. Other highly corrosive chemicals can not be applied even in small amounts.
Question: With the rise of the hardness of urethane, does the friction rise?
Answer: No, urethane is an elastomer, and the lower the hardness, the higher the friction.
Question: If there is a large axial load in the scenario of use, which urethane roller product should be selected?
Answer: There are urethane sintered bearing roller and urethane bonded bearing roller. If the axial load is large or the working condition is bad, the urethane bonded bearing roller may be degummed. If you have higher requirements for urethane adhesion, please choose Sintered Urethane Roller.

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