Is there a concentricity standard for the flat belt pulley?

Economy series flat belt pulley and idler coaxiality is

Can the flat belt idler bearing be disassembled.

According to different products, there are two types of MISUMI flat belt idlers: bearing press-fit type and bearing removal type. Therefore, during the design process, please design and use after the customer confirms the characteristics of the product.

What precision bearings are used for flat belt idlers?

MISUMI flat belt idlers use radial bearings of accuracy grade 0. For specific dimensions of the bearings, please refer to Economy series Bearing Small diameter ball.

Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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Part Number Complete

C-HBPAH20-P8-11

type Outer Dia. D T Selection Shaft (Bore) Dia. d Shaft Hole Specifications Knurled or Not CAD

Specification/Dimensions

type
- C-HBPA
- C-HBPAH
Clear
Outer Dia. D(Ø)
20

30

35

40

50
Clear
T Selection(mm)
6

11

16

21

32
Clear
Shaft (Bore) Dia. d(mm)
5

6

8

10

12
Clear
Shaft Hole Specifications
- Round Hole + Tap
- New JIS Keyway + Tap
Clear
Knurled or Not
- Knurled
- Knurling Not Provided
Clear
CAD
- 2D
- 3D
Clear

Specify Alterations

Flat Belt Pulleys Short Length (C-HBPAH20-P8-11)

Volume Discount

Check FAQ of this product (3 items)

Brand :

MiSUMi Economy

Order Qty :
Total Price :

---
Days to ship :

---

Select part number to Order Now/ Add to Cart

CAD Download

Product Overview of Flat Belt Pulleys

Usually, Flat Belt Pulleys and flat belts are widely used in mechanisms design for transmitting rotational power generated by motors.
Driving and transmission are realized through the friction fit between flat-belt pulleys and flat belts.

Product Feature of Flat Belt Pulleys

Type		Material	Surface Treatment
Non knurled	With knurled
C-HBPA	C-HBPAH	Aluminum	Clear Anodized

Feature of Flat Belt Pulleys 1: Coaxial degree of less than ⊙0.05mm, effectively reducing the belt vibration when running
Specifications Drawing of MISUMI Flat-belt Pulleys

Specifications Drawing of MISUMI Flat-belt Pulleys

Feature of Flat Belt Pulleys 2: adding knurled surface specifications, increasing anti-slip capacity by 4.7 times.
Specifications Drawing of MISUMI Flat-belt Pulleys

Feature of Flat Belt Pulleys 3: Locking threaded hole is changed to 120°, 11.8% increase in tightening torque.
Specifications Drawing of MISUMI Flat-belt Pulleys

Dimensional Drawing of Flat Belt Pulleys

■ Keyway size of Flat Belt Pulleys

Nominal model	d_H7		b_JS9		t Tolerance
N8	8	+0.015 0	3	±0.0125	1.4	+0.1 0
N10	10
N12	12	+0.018 0	4	±0.0150	1.8
N15	15		5		2.3
N20	20	+0.021 0	6		2.8
N30	30		8	±0.0180	3.3	+0.2 0
N40	40	+0.025 0	12	±0.0215

[Pulley Material] Aluminum Alloy
[Surface Treatment] Clear Anodized

Usage Method of Flat Belt Pulleys

■ Intend Use for Flat Belt Pulleys

Usage Method Example Drawing		Use Instructions for Flat-belt Pulleys
		The workpiece can be transmitted by the combined use of flat-belt pulleys, flat-belt idlers, and flat belts. The flat-belt idlers can also play the role of tensioning the belt.

Example Use of Flat Belt Pulleys

■ Mechanism name of Flat Belt Pulleys
2-row flat belt conveyor

Mechanism function of Flat Belt Pulleys
Conveyor used for pallet transportation of equipment in automatic conveying and manual operation

■ Function of Flat Belt Pulleys
The drive flat-belt pulleys and the driven flat belt idler drive the flat belt to carry out the conveying operation.

Related Industries of Flat Belt Pulleys

Smart phone	Medical	Electronic & Electrical Appliances

Automotive	Robotics	Lithium battery

Precautions of Flat Belt Pulleys

① The tolerance accuracy of Dimension T of the belt groove is ±0.2mm. Please select the pulley model after confirming the width tolerance of the flat belt.
② Flat Belt Pulleys for hole specifications round hole + threaded hole or keyway + threaded hole, the fixing screws are not included.

Related Products of Flat Belt Pulleys

Flat-belt idlers, Width (T), 6 to 32 mm	Flat Belts for General Use	High Torque Timing Pulleys S2M Type

Typical model: HBG15-6	Typical model: HBLT350-4.23	Typical model: HTPA48S2M040-B-N10
Advantages: short delivery time, multiple types	Advantage: custom size	Advantages: short delivery time, multiple types

Specification Table of Flat Belt Pulleys

Please order after selecting part number and parameters according to the selection steps

		Part Number (Type·D)	－	d	－	L
		C-HBPA20-P8-6	－	P8	－	6

■ Dimension Specification Table of Flat Belt Pulleys

Style	Shaft Hole Specifications	D	d_H7	T	D₁	ℓ	ℓ₁	M (Coarse Thread)	L
Type			P Hole/N Hole
Flanged Type C-HBPA (Not Knurled)	P (Round Hole+Threaded Hole)	20	P5	6	16	8	4	3	T+2
				11
			P8	6
				11
		30	P6	11	20
			P8	11
			P10	16
			P12	6
		40	P10	11
	N (Keyway + Threaded Hole)	30	N8	21	20	8	4	3	T+2
			N10	11
				21
			N12	16
		35	N12	16
		40	N12	11
				16
		50	N12	32	30	12	6	5

Style	Shaft Hole Specifications	D	d_H7	T	D₁	ℓ	ℓ₁	M (Coarse Thread)	L
Type			P Hole/N Hole
Flanged Type C-HBPAH (Knurled Surface)	P (Round Hole+Threaded Hole)	20	P5	11	16	8	4	3	T+2
			P8	11
		30	P6	11	20
			P8	11
			P10	16
		35	P12	11
		40	P10	11
			P10	16
	N (Keyway + Threaded Hole)	30	N8	21	20	8	4	3	T+2
			N10	11
				16
				21
			N12	16
		35	N12	16
		40	N12	11
				16
				32
		50	N12	32	30	12	6	5

Specification Table

Please order after selecting part number and parameters according to the selection steps

		Part Number (Type·D)	－	d	－	L
		C-HBPA20-P8-6	－	P8	－	6

■ Dimension Specification Table

Style	Shaft Hole Specifications	D	d_H7	T	D₁	ℓ	ℓ₁	M (Coarse Thread)	L
Type			P Hole/N Hole
Flanged Type C-HBPA (Not Knurled)	P (Round Hole+Threaded Hole)	20	P5	6	16	8	4	3	T+2
				11
			P8	6
				11
		30	P6	11	20
			P8	11
			P10	16
			P12	6
		40	P10	11
	N (Keyway + Threaded Hole)	30	N8	21	20	8	4	3	T+2
			N10	11
				21
			N12	16
		35	N12	16
		40	N12	11
				16
		50	N12	32	30	12	6	5

Style	Shaft Hole Specifications	D	d_H7	T	D₁	ℓ	ℓ₁	M (Coarse Thread)	L
Type			P Hole/N Hole
Flanged Type C-HBPAH (Knurled Surface)	P (Round Hole+Threaded Hole)	20	P5	11	16	8	4	3	T+2
			P8	11
		30	P6	11	20
			P8	11
			P10	16
		35	P12	11
		40	P10	11
			P10	16
	N (Keyway + Threaded Hole)	30	N8	21	20	8	4	3	T+2
			N10	11
				16
				21
			N12	16
		35	N12	16
		40	N12	11
				16
				32
		50	N12	32	30	12	6	5

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 45; 60

Part Number
C-HBPAH20-P8-11

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Outer Dia. D (Ø)	T Selection (mm)	Shaft (Bore) Dia. d (mm)	Shaft Hole Specifications	Knurled or Not
	₹ 873.05	1 Piece(s)	Available	Same day	10	20	11	8	Round Hole + Tap	Knurled

Basic Information

Type	Pulleys	Surface Urethane	Urethane Not Provided	Material	Aluminum Alloy
Surface Treatment	Clear Anodize

Please check the type/dimensions/specifications of the part C-HBPAH20-P8-11 in the Flat Belt Pulleys Short Length series.

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

Frequently asked question (FAQ)

Question: Is there a concentricity standard for the flat belt pulley?: Answer: Economy series flat belt pulley and idler coaxiality is
Question: Can the flat belt idler bearing be disassembled.: Answer: According to different products, there are two types of MISUMI flat belt idlers: bearing press-fit type and bearing removal type. Therefore, during the design process, please design and use after the customer confirms the characteristics of the product.
Question: What precision bearings are used for flat belt idlers?: Answer: MISUMI flat belt idlers use radial bearings of accuracy grade 0. For specific dimensions of the bearings, please refer to Economy series Bearing Small diameter ball.

Product variants

Part Number
C-HBPA20-P8-6
C-HBPA30-N10-11
C-HBPA30-N10-21
C-HBPAH30-N10-11
C-HBPAH30-N10-16
C-HBPAH30-N10-21

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Outer Dia. D (Ø)	T Selection (mm)	Shaft (Bore) Dia. d (mm)	Shaft Hole Specifications	Knurled or Not
₹ 826.13	2 Piece(s)	Available	7 Day(s)	10	20	6	8	Round Hole + Tap	Knurling Not Provided
₹ 954.38	2 Piece(s)	Available	7 Day(s)	10	30	11	10	New JIS Keyway + Tap	Knurling Not Provided
₹ 995.81	2 Piece(s)	Available	7 Day(s)	10	30	21	10	New JIS Keyway + Tap	Knurling Not Provided
₹ 984.71	1 Piece(s)	Available	Same day Stock	10	30	11	10	New JIS Keyway + Tap	Knurled
₹ 1,012.33	1 Piece(s)	Available	7 Day(s)	10	30	16	10	New JIS Keyway + Tap	Knurled
₹ 1,044.05	1 Piece(s)	Available	7 Day(s)	10	30	21	10	New JIS Keyway + Tap	Knurled

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