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MISUMI Flat Belt Idlers（Shape：Crosspiece Groove Straight）

MISUMI offers products Flat Belt Idlers specified by Shape Crosspiece Groove Straight from Automation Components product category. There are a total of 10 items. Search and select detailed specifications of parts for your machine with free CAD downloads. MISUMI products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

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Brand	(10) (2) IMAO CORPORATION (0) KONISHI (0) NABEYA BI-TECH (0)
CAD	2D 3D

10 items

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Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L110-500

MISUMI

· Product type: Idlers.
· Idlers type: Bearing Built-in.
· Shape of Idlers: Straight type, Crosspiece Groove Straight Type and Crowned Type.
· Shaft Type : Bearing on Each End (2-Bearing in Total)
· The product code series Straight type: ROFAWC, ROFMWC and ROFSWC
· The product code series Crowned Type: ROFAWT, ROFMWT and ROFSWT
· The product code series Crosspiece Groove Straight: ROFAWM, ROFMWM and ROFSWM
· Outer Diameter: 30-80 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length: 110-510 mm.
· Idler Engineering Plastic Roller, Steel Roller (TC-RP, TC-RU)

CAD ：: 2D / 3D

Shape	With or w/o Flange	Outer Dia. D(Ø)	Nominal Width T(mm)	Length L(mm)	Flange Shape	Type	Material	Shaft Type	Surface Urethane	Shaft (Bore) Dia. d(mm)	Surface Treatment	Shaft Type
Crosspiece Groove Straight	No Flange	30 ～ 80	-	~300 / ~500	-	Idlers (Bearing Built-in)	Steel / Aluminum / Stainless Steel	1-Bearing on Each End (2-Bearing in Total)	Urethane Not Provided	8 ～ 35	Not Provided / Electroless Nickel Plating / Clear Anodize	-

Days to Ship: 10 Day(s) or more

10 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Pulley for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Width L110-500

MISUMI

· The Pulleys for Flat Belts ROBAWC, ROBMWC, ROBSWC, ROBAWM, ROBMWM and ROBSWM types are specific pulleys manufactured by MISUMI.
· Shaft of Pulleys : Crowned and Crosspiece Groove Straight type.
· The series code of Crowned type: ROBAWC, ROBMWC and ROBSWC.
· The series code of Crosspiece Groove type: ROBAWM, ROBMWM and ROBSWM.
· Shaft Type : Round Hole.
· Pulleys Body Material: Aluminum Alloy, STKM13A and SUS304.
· Outer Diameter: 30-80 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length: 110 - 510 mm.
· Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type

CAD ：: 2D / 3D

Shape	With or w/o Flange	Outer Dia. D(Ø)	Nominal Width T(mm)	Length L(mm)	Flange Shape	Type	Material	Shaft Type	Surface Urethane	Shaft (Bore) Dia. d(mm)	Surface Treatment	Shaft Type
Crosspiece Groove Straight	No Flange	30 ～ 80	-	~300 / ~500	-	Pulleys	Steel / Aluminum / Stainless Steel	Round Hole	Urethane Not Provided	8 ～ 35	Not Provided / Electroless Nickel Plating / Clear Anodize	Tap / Keyway + Tap

Days to Ship: 10 Day(s) or more

10 Day(s) or more

Economy series

You can add up to 6 items per a category to the compare list. Compare

MiSUMi Economy

Flat Belts Idlers Width 25 - 100

MiSUMi Economy

MISUMI

Volume Discount

Shape	With or w/o Flange	Outer Dia. D(Ø)	Nominal Width T(mm)	Length L(mm)	Flange Shape	Type	Material	Shaft Type	Surface Urethane	Shaft (Bore) Dia. d(mm)	Surface Treatment	Shaft Type
Crosspiece Groove Straight	No Flange	30 ～ 80	-	~50 / ~100	-	Idlers (Bearing Built-in)	Aluminum	1-Bearing on Each End (2-Bearing in Total)	Urethane Not Provided	8 ～ 35	Clear Anodize	-

Days to Ship: 9 Day(s) or more

9 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Pulleys for Flat Belts (Width L=25 ~ 100) - Crowned, Crosspiece Groove Straight

MISUMI

· The Pulleys for Flat Belts ROBAC, ROBACF, and ROBAM types are specific pulleys manufactured by MISUMI.
· Shaft of Pulleys : Crowned and Crosspiece Groove Straight type.
· The series code of Crowned type: ROBAC, ROBACF.
· The series code of Crosspiece Groove type: ROBAM.
· Shaft Type : Round Hole.
· Pulleys Body Material: Aluminum Alloy.
· Surface Treatment solution: Clear Anodize
· Outer Diameter: 15-80 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length: 25-100 mm.
· Idlers for Flat Belts (Width L25-100) -Straight Type/Crosspiece Groove Straight Type/Crowned Type

CAD ：: 2D / 3D

Shape	With or w/o Flange	Outer Dia. D(Ø)	Nominal Width T(mm)	Length L(mm)	Flange Shape	Type	Material	Shaft Type	Surface Urethane	Shaft (Bore) Dia. d(mm)	Surface Treatment	Shaft Type
Crosspiece Groove Straight	No Flange	30 ～ 80	-	~50 / ~100	-	Pulleys	Aluminum	Round Hole	Urethane Not Provided	8 ～ 35	Clear Anodize	Tap / Keyway + Tap

Days to Ship: 10 Day(s) or more

10 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Economy Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L110-500

MISUMI

· Product type: Idlers.
· Idlers type: Bearing Built-in.
· Shape of Idlers: Straight type, Crosspiece Groove Straight Type and Crowned Type.
· Shaft Type : Bearing on Each End (2-Bearing in Total)
· The product code series Straight type: RFWAS and RFWWS.
· The product code series Crosspiece Groove Straight: RFWAC and RFWWC.
· The product code series Crowned Type: RFWAM and RFWWM.
· Idlers Material: Aluminum Alloy
· Outer Diameter: 18-78. mm.
· Shaft (Bore) Diameter: 8-15 mm.
· Length: 110-510 mm.
· MC Nylon Flat Idler MCF

CAD ：: 2D / 3D

Shape	With or w/o Flange	Outer Dia. D(Ø)	Nominal Width T(mm)	Length L(mm)	Flange Shape	Type	Material	Shaft Type	Surface Urethane	Shaft (Bore) Dia. d(mm)	Surface Treatment	Shaft Type
Crosspiece Groove Straight	No Flange	38 ～ 78	-	~300 / ~500	-	Idlers (Bearing Built-in)	Aluminum	1-Bearing on Each End (2-Bearing in Total)	Urethane Not Provided	12 ～ 40	Not Provided / Clear Anodize	-

Days to Ship: 10 Day(s) or more

10 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L25-100

MISUMI

· Product type: Idlers.
· Idlers type: Bearing Built-in.
· Shape of Idlers: Straight type, Crosspiece Groove Straight Type and Crowned Type.
· Shaft Type : Bearing on Each End (2-Bearing in Total)
· The product code series Straight type: ROFAN and ROFAF.
· The product code series Crosspiece Groove Straight: ROFAM.
· The product code series Crowned Type: ROFAC.
· Idlers Material: Aluminum Alloy
· Surface Treatment solution: Clear Anodize
· Outer Diameter: 15-80 mm.
· Shaft (Bore) Diameter: 5-35 mm.
· Length: 25-100 mm.
· Pulleys for Flat Belts - Flanged, Crowned, Press-Fit Urethane

CAD ：: 2D / 3D

Shape	With or w/o Flange	Outer Dia. D(Ø)	Nominal Width T(mm)	Length L(mm)	Flange Shape	Type	Material	Shaft Type	Surface Urethane	Shaft (Bore) Dia. d(mm)	Surface Treatment	Shaft Type
Crosspiece Groove Straight	No Flange	30 ～ 80	-	~50 / ~100	-	Idlers (Bearing Built-in)	Aluminum	1-Bearing on Each End (2-Bearing in Total)	Urethane Not Provided	8 ～ 35	Clear Anodize	-

Days to Ship: 10 Day(s) or more

10 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Pulleys for Flat Belts with Urethane (Width L=25 ~ 100) - Crowned, Crosspiece Groove Straight

MISUMI

· Product type : Pulleys.
· Shaft of Pulleys : Crowned and Crosspiece Groove Straight type.
· The series code of Crowned type: RWCUN RWCUF RWMUN and RWMUF.
· The series code of Crosspiece Groove type: RWCGN RWCGF RWMGN and RWMGF.
· Shaft Type : Round Hole.
· Flange: Flange type and No Flange.
· Core Material: Aluminium A5052.
· Lining Material: Urethane (Natural Color)
· Urethane Hardness: Shore A90 and Shore A70.
· Outer Diameter: 15-80 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length: 25-100 mm.
· Economy Pulleys for Flat Belts-Crowned Type/Crosspiece Groove Straight Type/Width L110-510

CAD ：: 2D / 3D

Shape	With or w/o Flange	Outer Dia. D(Ø)	Nominal Width T(mm)	Length L(mm)	Flange Shape	Type	Material	Shaft Type	Surface Urethane	Shaft (Bore) Dia. d(mm)	Surface Treatment	Shaft Type
Crosspiece Groove Straight	Flange / No Flange	40 ～ 80	-	~50 / ~100	-	Pulleys	Aluminum	Round Hole	Urethane Provided	12 ～ 35	Not Provided	Tap

Days to Ship: 10 Day(s) or more

10 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Economy Pulleys for Flat Belts with Urethane-Crowned/Crosspiece Groove Straight

MISUMI

· Shape of Pulleys: Crowned and Crosspiece Groove Straight.
· The series code of Crowned type: RWBCU and RWBCG.
· The series code of Crosspiece Groove Straight type: RWBMU and RWBMG.
· Shaft Type : Round Hole.
· Pulleys Body Material: Aluminum Alloy.
· Lining material: Urethane (Natural Color).
· Hardness: Shore A70 and Shore A90.
· Outer Diameter: 28 - 78 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length dimension: 110 - 500 mm.
· The urethane-coated is specially coated or designed to minimize friction and wear.
· NIP, NIPA, NIPS, NIP-SUS Pulley Idler

CAD ：: 2D / 3D

Shape	With or w/o Flange	Outer Dia. D(Ø)	Nominal Width T(mm)	Length L(mm)	Flange Shape	Type	Material	Shaft Type	Surface Urethane	Shaft (Bore) Dia. d(mm)	Surface Treatment	Shaft Type
Crosspiece Groove Straight	No Flange	48 ～ 78	-	~300 / ~500	-	Pulleys	Aluminum	Round Hole	Urethane Provided	10 ～ 35	Not Provided	Tap / Keyway + Tap

Days to Ship: 13 Day(s) or more

13 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Economy Pulleys for Flat Belts-Crowned Type/Crosspiece Groove Straight Type/Width L110-510

MISUMI

· Product type : Pulleys.
· Shaft of Pulleys : Crowned and Crosspiece Groove Straight type.
· The series code of Crowned type: RBWAC and RBWWC.
· The series code of Crosspiece Groove type: RBWAM and RBWWM.
· Shaft Type : Round Hole.
· Pulleys Body Material: Aluminum Alloy.
· Press Fit Bushing Material: Aluminum Alloy.
· Surface Treatment solution: Clear Anodize (For only RBWWC and RBWWM type)
· Outer Diameter: 18-78 mm.
· Shaft (Bore) Diameter: 8-50 mm.
· Length: 110-510 mm.
· Economy Idlers for Flat Belts-Straight Type/ Crosspiece Groove Straight Type/ Crowned Type.

CAD ：: 2D / 3D

Shape	With or w/o Flange	Outer Dia. D(Ø)	Nominal Width T(mm)	Length L(mm)	Flange Shape	Type	Material	Shaft Type	Surface Urethane	Shaft (Bore) Dia. d(mm)	Surface Treatment	Shaft Type
Crosspiece Groove Straight	No Flange	38 ～ 78	-	~300 / ~500	-	Pulleys	Aluminum	Round Hole	Urethane Not Provided	12 ～ 50	Not Provided / Clear Anodize	Tap / Keyway + Tap

Days to Ship: 10 Day(s) or more

10 Day(s) or more

Economy series

You can add up to 6 items per a category to the compare list. Compare

MiSUMi Economy

Flat Belts Idlers Width 110 - 500

MiSUMi Economy

MISUMI

Shape	With or w/o Flange	Outer Dia. D(Ø)	Nominal Width T(mm)	Length L(mm)	Flange Shape	Type	Material	Shaft Type	Surface Urethane	Shaft (Bore) Dia. d(mm)	Surface Treatment	Shaft Type
Crosspiece Groove Straight	No Flange	30 ～ 80	-	~300 / ~500	-	Idlers (Bearing Built-in)	Steel / Aluminum / Stainless Steel	1-Bearing on Each End (2-Bearing in Total)	Urethane Not Provided	8 ～ 35	Not Provided / Electroless Nickel Plating / Clear Anodize	-

Days to Ship: 9 Day(s) or more

9 Day(s) or more


Brand
Product Series
CAD
From
Days to Ship
Shape
With or w/o Flange
Outer Dia. D(Ø)
Nominal Width T(mm)
Length L(mm)
Flange Shape
Type
Material
Shaft Type
Surface Urethane
Shaft (Bore) Dia. d(mm)
Surface Treatment
Shaft Type

	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	MISUMI	MISUMI	MISUMI MiSUMi Economy	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI	MISUMI MiSUMi Economy
Product Series	Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L110-500	Pulley for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Width L110-500	Flat Belts Idlers Width 25 - 100	Pulleys for Flat Belts (Width L=25 ~ 100) - Crowned, Crosspiece Groove Straight	Economy Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L110-500	Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L25-100	Pulleys for Flat Belts with Urethane (Width L=25 ~ 100) - Crowned, Crosspiece Groove Straight	Economy Pulleys for Flat Belts with Urethane-Crowned/Crosspiece Groove Straight	Economy Pulleys for Flat Belts-Crowned Type/Crosspiece Groove Straight Type/Width L110-510	Flat Belts Idlers Width 110 - 500
CAD	2D / 3D	2D / 3D		2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D
From	-	-	-	-	-	-	-	-	-	-
Days to Ship	10 Day(s) or more	10 Day(s) or more	9 Day(s) or more	10 Day(s) or more	10 Day(s) or more	10 Day(s) or more	10 Day(s) or more	13 Day(s) or more	10 Day(s) or more	9 Day(s) or more
Shape	Crosspiece Groove Straight	Crosspiece Groove Straight	Crosspiece Groove Straight	Crosspiece Groove Straight	Crosspiece Groove Straight	Crosspiece Groove Straight	Crosspiece Groove Straight	Crosspiece Groove Straight	Crosspiece Groove Straight	Crosspiece Groove Straight
With or w/o Flange	No Flange	No Flange	No Flange	No Flange	No Flange	No Flange	Flange / No Flange	No Flange	No Flange	No Flange
Outer Dia. D(Ø)	30 ～ 80	30 ～ 80	30 ～ 80	30 ～ 80	38 ～ 78	30 ～ 80	40 ～ 80	48 ～ 78	38 ～ 78	30 ～ 80
Nominal Width T(mm)	-	-	-	-	-	-	-	-	-	-
Length L(mm)	~300 / ~500	~300 / ~500	~50 / ~100	~50 / ~100	~300 / ~500	~50 / ~100	~50 / ~100	~300 / ~500	~300 / ~500	~300 / ~500
Flange Shape	-	-	-	-	-	-	-	-	-	-
Type	Idlers (Bearing Built-in)	Pulleys	Idlers (Bearing Built-in)	Pulleys	Idlers (Bearing Built-in)	Idlers (Bearing Built-in)	Pulleys	Pulleys	Pulleys	Idlers (Bearing Built-in)
Material	Steel / Aluminum / Stainless Steel	Steel / Aluminum / Stainless Steel	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum	Steel / Aluminum / Stainless Steel
Shaft Type	1-Bearing on Each End (2-Bearing in Total)	Round Hole	1-Bearing on Each End (2-Bearing in Total)	Round Hole	1-Bearing on Each End (2-Bearing in Total)	1-Bearing on Each End (2-Bearing in Total)	Round Hole	Round Hole	Round Hole	1-Bearing on Each End (2-Bearing in Total)
Surface Urethane	Urethane Not Provided	Urethane Not Provided	Urethane Not Provided	Urethane Not Provided	Urethane Not Provided	Urethane Not Provided	Urethane Provided	Urethane Provided	Urethane Not Provided	Urethane Not Provided
Shaft (Bore) Dia. d(mm)	8 ～ 35	8 ～ 35	8 ～ 35	8 ～ 35	12 ～ 40	8 ～ 35	12 ～ 35	10 ～ 35	12 ～ 50	8 ～ 35
Surface Treatment	Not Provided / Electroless Nickel Plating / Clear Anodize	Not Provided / Electroless Nickel Plating / Clear Anodize	Clear Anodize	Clear Anodize	Not Provided / Clear Anodize	Clear Anodize	Not Provided	Not Provided	Not Provided / Clear Anodize	Not Provided / Electroless Nickel Plating / Clear Anodize
Shaft Type	-	Tap / Keyway + Tap	-	Tap / Keyway + Tap	-	-	Tap	Tap / Keyway + Tap	Tap / Keyway + Tap	-

Configure

Specification/Dimensions

Shape
- Straight
- Crowned
- Crosspiece Groove Straight
Larger Image

Clear

With or w/o Flange
- Flange
- No Flange
Larger Image

Clear

Outer Dia. D(Ø)
15

18

20

24

25

28

29

30

34

35

38

40

43

44.5

45

48

49.5

50

54

55

57

58

60

63

64

65

70

73

74

75

78

80

100
Drawing

Clear

Nominal Width T(mm)
6

7.5

10.5

11

12

14.5

15

16

19

19.5

20

21

24

24.5

25

26

27

29

30

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34

34.5

35

40

41

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49

50

54

55

60

65

70

80

92
Drawing

Clear

Length L(mm)
- ~50
- ~100
- ~300
- ~500
Clear

Flange Shape
- Standard
Images

Clear

Type
- Idlers (Bearing Built-in)
- Pulleys
Clear

Material
- Steel
- Aluminum
- Stainless Steel
- Plastic
Clear

Shaft Type
- Round Hole
- 1-Bearing
- 2-Bearing at Center
- 1-Bearing on Each End (2-Bearing in Total)
- With Shaft
Larger Image

Clear

Surface Urethane
- Urethane Provided
- Urethane Not Provided
Images

Clear

Shaft (Bore) Dia. d(mm)
0

4

5

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8

8A

10

12

15

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20

25

30

35

40

50
Drawing

Clear

Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Clear Anodize
- Hard Clear Anodize
Clear

Shaft Type
- Not Provided
- Tap
- Keyway + Tap
Images

Clear

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- MISUMI (10)
- Economy series (2)
- IMAO CORPORATION (0)
- KONISHI (0)
- NABEYA BI-TECH (0)
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Related Categories to Flat Belt Idlers

- Flat Belt Pulleys
- Flat Belt Idlers

FAQ Idlers

Question: What materials are commonly used for manufacturing conveyor rollers (Flat Belt Idlers)?: Answer: Conveyor rollers (Flat Belt Idlers) are commonly manufactured using materials such as steel, stainless steel, aluminum, and various types of plastics like polypropylene and polyurethane.
Question: How often should conveyor rollers (Flat Belt Idlers) be maintained?: Answer: Conveyor rollers (Flat Belt Idlers) should be regularly maintained, typically every three months or as advised by the manufacturer. Regular inspections and maintenance help ensure smooth operation and prevent issues. However, the frequency may vary based on factors like usage, operating conditions, and the materials being transported.
Question: What are the different types of conveyor rollers (Flat Belt Idlers) available in the market?: Answer: They have 5 different types of conveyor rollers (Flat Belt Idlers) available in the market,
- Gravity Rollers: Rely on gravity for movement, suitable for inclined or declined conveyors.
- Powered Rollers: Driven by motors or power sources, offering controlled and efficient movement.
- Tapered Rollers: Designed for curves and corners, ensuring smooth transitions.
- Grooved Rollers: Provide extra grip for transporting heavy loads.
- Sprocket Rollers: Used in chain-driven systems, offering positive drive and precise movement.
Question: Can conveyor rollers (Flat Belt Idlers) be used with different types of belts?: Answer: Yes, conveyor rollers (Flat Belt Idlers) can be used with different types of belts. The design and compatibility of the rollers may vary depending on the specific belt type and its requirements. It's important to ensure that the rollers and belts are compatible in terms of dimensions, load capacity, and any specific features or attachments needed for proper belt tracking and alignment.

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MISUMI Flat Belt Idlers（Shape：Crosspiece Groove Straight）

Configure

Specification/Dimensions

Shape

With or w/o Flange

Outer Dia. D(Ø)

Nominal Width T(mm)

Length L(mm)

Flange Shape

Type

Material

Shaft Type

Surface Urethane

Shaft (Bore) Dia. d(mm)

Surface Treatment

Shaft Type

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