Standard V-Pulley

NABEYA BI-TECH

Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

"Shaft hole, keyway and push screw machining standardized."
[Features]
· Japan's first standard inch size product.
· Consistent production from casting to machining and surface treatment.
· Cell production method allows the production of many kinds of products in low volume, with short lead times.
· Imbalance mass allowance on outer circumference is 0.2% of pulley mass or 3 g, whichever is larger.
· Same accuracy as the balance prescribed in JIS B 1854-1987, "General use V-pulley".* M-type pulleys are exempt.
[Applications]
· Fans, etc.

Can Be Used For Blowers, Etc.

STD - A - 1 external appearance

10U

10S

10X

11U

20X

21U

22U

23U

30Y

40U

41U

43U

44U

50X

50Y

60Y

Product standard

Balance

Imbalance mass allowance on the outer circumference is 0.2% or 3 g of the pulley mass, whichever is larger. This is the same accuracy stipulated by JIS B 1854-1987 "General Purpose V Pulleys". Excludes M type pulleys.

Groove dimensions

Groove Shape	Outer Diameter d_e (Inches)	α ± 0.5 (°)	L₀	w₁	h	e	f ± 1


M	3 Or Less	34	8.0	9.65	9	-	8.5
	Over 3, And 3 1/2 Or Less	36		9.75
	Over 3 1/2	38		9.86
A	4 Or Less	34	9.2	11.95	12.5	16 ± 0.4	10.0
	Over 4, And 5 Or Less	36		12.12
	Over 5	38		12.30
B	6 1/2 Or Less	34	12.5	15.86	15	20 ± 0.4	12.0
	Over 6 1/2, And 8 Or Less	36		16.07
	Over 8	38		16.29

Unit: mm

Groove dimensions

Outer Diameter d_e (Inches)	Outer Circumference Vibration Tolerance	Rim Side Vibration Tolerance	Diameter Tolerance


5 Or Less	0.2	0.2	±0.6
Over 5, And 6 1/2 Or Less	0.25	0.25	±0.8
Over 6 1/2, And 9 Or Less	0.3	0.3	±0.8
Over 9, And 12 Or Less	0.35	0.35	±0.8
Over 12, And 16 Or Less	0.4	0.4	±1.2
Over 16, And 24 Or Less	0.5	0.5	±1.2

Unit: mm