Rollers / rubber layer, metal core - with thread for clamping screws (ROCSN50-20-30)

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MISUMI

Product Details:

Manufacturer part number: ROCSN50-20-30

Brand: MISUMI

Price: 42.19 €

Delivery time: 10 Days

Technical Data:

Roller Type: Metal roller

Urethane Rubber Processing: -

Roller Shape: Crowned

[D] Outer Diameter: 50 mm

Material (Base, Core): EN 1.4301 Equiv.

Part Number

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ROCSN50-20-30

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Technical Drawing - Roller with Bearings

Rollers - With Baked-on Urethane/Rubber Liner, Metal Core - With Set Screw Threads:Related Image

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Available dimensions and tolerances can be found under the tab More Information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Roller with Bearings

Type		Material	Surface Treatment (Lining)	Hardness
Straight	Crowned	Core	Surface Treatment (Lining)	Hardness
ROLSN	ROCSN	EN 1.4301 Equiv.	-	-
ROLAN	ROCAN	Aluminum Alloy 5000 series	Clear Anodize	-
ROUSN	ROCUSN	EN 1.4301 Equiv.	Urethane (Natural Color)	Shore A90
ROUAN	ROCUAN	Aluminum Alloy 5000 series		Shore A90
ROGSN	-	EN 1.4301 Equiv.		Shore A70
ROGAN	-	Aluminum Alloy 5000 series		Shore A70
ROHSN	-	EN 1.4301 Equiv.		Shore A50
ROHAN	-	Aluminum Alloy 5000 series		Shore A50

Urethane is baked on the outer circumference of the core material.

Further specifications can be found under the tab More Information.

Composition of a Product Code - Roller with Bearings

Part Number	-	d	-	L
ROLAN30 ROUAN40	- -	8 10	- -	30 25

Alterations - Roller with Bearings

General Information - Roller with Bearings

Product assortment of roller bearings - rubberized roller bearing - rubberized roller bearing with clamping screw - rubberized roller bearing with through hole - roller bearing with foam - roller bearing with keyway - roller bearing with ball bearing - metal roller bearing - roller bearing with split rolling surface

Selection details of roller bearings

- Core material: aluminum, steel, stainless steel, plastic (POM, UHMWPE, polypropylene, MC nylon)

- Coatings: uncoated, burnished, nickel-plated, anodized

- Material surface: uncoated, polyurethane, antistatic polyurethane, heat-resistant polyurethane (~110°C), polyurethane foam, chloroprene rubber foam, silicone rubber, silicone rubber, nitrile rubber (NBR)

- Hardness: Shore A25, Shore A50, Shore A65, Shore A70, Shore A90, Shore A95

- Surface shape: cylindrical, spherical, groove (split running surface), flange on both sides, knurled

- Roller mounting: through hole, ball bearing, plain bearing bushing, threaded pin clamping, keyway, with axle shaft, lateral through holes

- Bearing material: steel, stainless steel

- Inner diameter: 3 to 40 mm

- Outer diameter: 8 to 100 mm

- Length: 50 to 1000 mm

Description/Basics

The range of applications for roller bearings is diverse in the industry. Basically, the roller bearing is used in mechanical engineering and system engineering for the transport of different objects and workpieces. They are often found in roller conveyors and the conveyance or return of fine films in the packaging industry (packaging).

MISUMI offers different roller bearing surfaces depending on the type of material being conveyed and the application. Whether a gentle rubberized roller bearing for sensitive goods has to be transported, a metal roller, or a massive roller bearing for heavy loads, the MISUMI online shop offers the appropriate roller bearing for almost any application and environmental influences.

A rubberized roller bearing can be equipped with different elastomers to withstand the requirements and influences. These can have different properties such as oil resistance, weather resistance or chemical resistance. MISUMI also offers a rubberized roller bearing with heat-resistant polyurethane (PUR) for higher temperatures.
MISUMI offers an antistatic roller bearing made of polyurethane for transporting electronic components that must be protected against static discharge via the option [UDC].Our roller bearings with foam are a special feature. Compared to conventional foams, the roller bearing with polyurethane foam has a low absorption of water, oil and chemicals. This is made possible by the closed pores of the foam. Another significant advantage of combining a roller bearing with polyurethane foam is the vibration-damping properties of the foam. Roller bearings with foam are also suitable for transporting thinner materials.
A roller bearing with chloroprene rubber foam is particularly low-return and has a high resistance to weather, aging, ozone, heat and cold. This makes it a very balanced foam that is often used in the general industry.

In addition to the materials of the tread, different geometries are also available for various purposes.
Cylindrical roller bearings are often used for roller conveyors or roller carriers.
Balled roller bearings, on the other hand, are often used in conveyor belts in combination with flat belts. The spherical shape of the roller bearing can help align the transport belt in the centre. For flat belts with guide grooves, we offer special flat belt drive wheels that centre the belt more precisely.
Cylindrical roller bearings are often used in roller conveyors or roller carriers. Balled roller bearings are on the other hand often used in conveyor belts in combination with flat belts. The balled shape of the roller bearing can help align the transport belt in the centre. For flat belts with guide grooves, we offer special flat belt drive wheels that centre the belt more precisely.

The roller bearings and metal rollers from MISUMI can be selected in numerous mounting options. In addition, MISUMI offers the roller bearing with clamping groove, plain bearing bushing, integrated axle, lateral mounting holes and keyway.
The roller bearing with keyway groove is particularly suitable in combination with a keyway and rotary axis as a driven roller bearing or conveyer roller. This PDF gives you the keyways tolerances. It is recommended selecting a keyway from MISUMI for the connection, since the tolerances are coordinated.

A roller bearing is often also used in combination with ball bearings. The load capacity depends on the bearing used. The roller bearings with ball bearings are characterized by good smoothness. You can find which bearing was used for the metal roller with ball bearing under the tab More Information.

Rollers with larger outer diameters can also be found under our pipe rollers.

Application Examples - Roller with Bearings

Application example: stack sorter - rubberized roller bearing - roller bearing driven - drive roller - plastic plate

Application example: stack sorter
(1) Roller bearing rubberized, (2) workpiece, (3) plastic plate

Application example: belt feed - roller bearing with split rolling surface - roller bearing with groove - roller bearing rubberized - belt conveyor roller

Application example: belt conveyor
(1) Belt, (3) split roller bearing (groove), (3) roller bearing

Application example: roller conveyor - roller bearing metal - roller bearing plastic - roller bearing with ball bearing - roller conveyor - vertical guide roller - vertical guide roller with rubber -

Application example roller conveyor
(1) Vertical guide rollers, (2) roller belt, (3) roller bearing

Application example: roller conveyor with split roller - roller bearing with rotation axis - roller bearing with flange - roller bearing two-part - roller bearing plastic - roller bearing with clamping screw

Application example: roller conveyor
(1) Plastic roller bearing, (2) rotary axes

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

Part Number:

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Part Number
ROCSN50-20-30

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Roller Type	Urethane Rubber Processing	Roller Shape	[D] Outer Diameter (mm)	Material (Base, Core)	[L] Length (Range) (mm)	I.D. d (mm)	Surface Treatment	Urethane/Rubber Material	Urethane/Rubber Hardness	Urethane/Rubber Color	[L] Length (mm)
	42.19 €	1	Available	10 Days	10	Metal roller	-	Crowned	50	EN 1.4301 Equiv.	Up to 50	20	Clear Anodize	-	-	-	30

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Technical Drawing - Roller with Bearings

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Specification Tables - Roller with Bearings

Part Number			d_H7 Selection							L Selection							M
Type		D	d_H7 Selection							L Selection							M
Straight Core Only ROLSN ROLAN Crowned Core Only ROCSN ROCAN	Urethane ROUSN ROUAN ROGSN ROGAN ROHSN ROHAN Urethane ROCUSN ROCUAN	20	8							15	20	25	30	40	50		M3
		25	8	10	12					15	20	25	30	40	50
		30	8	10	12	15				15	20	25	30	40	50
		35		10	12	15	20				20	25	30	40	50		M4
		40		10	12	15	20				20	25	30	40	50		M4
		50			12	15	20	25				25	30	40	50	100	M5
		60			12	15	20	25	30				30	40	50	100
		80				15	20	25	30					40	50	100

Urethane may discolor over time, but there is no effect on physical properties.

Alterations - Roller with Bearings

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Basic information

Mounting Method	Set Screw

This page is Rollers / rubber layer, metal core - with thread for clamping screws, part number ROCSN50-20-30.
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Basic Attributes

Urethane Rubber Processing
- Lining
Clear
Urethane/Rubber Material
- Urethane
Clear
Urethane/Rubber Hardness
- 50
- 70
- 90
Clear
Urethane/Rubber Color
- Natural Color
Clear
Type
- ROCAN
- ROCSN
- ROCUAN
- ROCUSN
- ROGAN
- ROGSN
- ROHAN
- ROHSN
- ROLAN
- ROLSN
- ROUAN
- ROUSN
Clear
Roller Type
- Urethane, Rubber Roller
- Metal roller
Clear
Roller Shape
- Straight
- Crowned
Clear
[D] Outer Diameter(mm)
20

25

30

35

40

50

60

80
Clear
Material (Base, Core)
- Aluminum
  - EN AW-5052 Equiv.
  - Aluminum Alloy 5000 series
- EN 1.4301 Equiv.
Clear
[L] Length (Range)(mm)
- Up to 50
- Up to 100
Clear
I.D. d(mm)
8

10

12

15

20

25

30
Clear
Surface Treatment
- Clear Anodize
- Not Provided
Clear
[L] Length(mm)
15

20

25

30

40

50

100
Clear
Filter by CAD data type
- 2D
- 3D
Clear

Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently Asked Questions (FAQ)

Question:
How is the foam attached to the support roller?: Answer:
The foam is pressed onto the roller bearing (core material). In order to prevent the foam from slipping or severely deforming, it should be ensured that the load is uniformly distributed.
Question:
Can the polyurethane layer be replaced?: Answer:
The polyurethane layer is generally vulcanized onto the roller bearing. If the polyurethane layer is heavily worn, it is therefore recommended replacing the roller bearing as one unit. Please see the basic properties, in order to find out if the polyurethane layer is vulcanized.
Question:
Are the polyurethane rollers oil resistant?: Answer:
The polyurethane roller bearings are only partially resistant to oil. These can be swelled and damaged by oil. For this purpose, MISUMI offers roller bearings with a nitrile rubber layer that is oil-resistant. Nitrile rubber (NBR) is often used for sealing rings due to this property. You can view further information in the rubber properties available as a PDF.
Question:
Are the roller bearings with PU coating suitable as a drive pulley?: Answer:
MISUMI offers roller bearings with tightening screws or with a keyway that can be used as a roller pulley. Especially the roller bearing with a keyway in combination with a parallel key (machine key) ensures a good transmission of rotational movements.

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Variation of this product

Part Number
ROCAN20-8-30
ROCAN20-8-40
ROCAN20-8-50
ROCSN50-20-40
ROCSN50-20-50
ROCSN50-25-100

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Roller Type	Urethane Rubber Processing	Roller Shape	[D] Outer Diameter (mm)	Material (Base, Core)	[L] Length (Range) (mm)	I.D. d (mm)	Surface Treatment	Urethane/Rubber Material	Urethane/Rubber Hardness	Urethane/Rubber Color	[L] Length (mm)
19.06 €	1	Available	10 Days	10	Metal roller	-	Crowned	20	[Aluminum] Aluminum Alloy 5000 series	Up to 50	8	Clear Anodize	-	-	-	30
19.06 €	1	Available	10 Days	10	Metal roller	-	Crowned	20	[Aluminum] Aluminum Alloy 5000 series	Up to 50	8	Clear Anodize	-	-	-	40
19.06 €	1	Available	10 Days	10	Metal roller	-	Crowned	20	[Aluminum] Aluminum Alloy 5000 series	Up to 50	8	Clear Anodize	-	-	-	50
42.19 €	1	Available	10 Days	10	Metal roller	-	Crowned	50	EN 1.4301 Equiv.	Up to 50	20	Clear Anodize	-	-	-	40
42.19 €	1	Available	10 Days	10	Metal roller	-	Crowned	50	EN 1.4301 Equiv.	Up to 50	20	Clear Anodize	-	-	-	50
53.68 €	1	Available	10 Days	10	Metal roller	-	Crowned	50	EN 1.4301 Equiv.	Up to 100	25	Clear Anodize	-	-	-	100