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JIS V-Pulley, B Type

JIS V-Pulley, B Type

Full lineup of V-belt pulleys that conform to JIS B 1854.
[Features]
· 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.
· Shaft hole, keyway and push screw machining standardized.
· Extensive product range. 650 size. A: 146 size, B: 218 size, C: 212 size, D: 74 size.
· 369 size has been added into JIS standard 281 size separately. Fine standardization of small-diameter sizes used particularly in drive side mechanisms.
· Top-quality pulley with materials, machining precision and balance accuracy exceeding JIS standards (JISB1854-1987, "General use V-pulley").
[Applications]
· Fans, etc.

PDF

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JIS V-pulley Specification

Consistent production from casting to machining and surface treatment. Additionally, NC machinery, automatic machinery, balancers, etc. have been developed specifically for pulley machining. Cell production allows the production of many kinds of products in low volume, with short lead times. Delivering convenience to customers.

Convenient additional machining service has been standardized.

Shaft hole, keyway, and set screw machining are available in standardized form.

Extensive product range. 650 size.

A: 146 size, B: 218 size, C: 212 size, D: 74 size. The 369 size has been added into JIS standard 281 size separately. Fine standardization of small-diameter sizes used frequently in drive side mechanisms.

High quality exceeding JIS standards.

Top quality pulley with materials, machining and balance accuracy exceeding JIS standards (JIS B1854 - 1987 "General Use V Pulleys." Imbalance tolerance on the outer circumference is 0.1% of the pulley mass.
Surface treatment, for improving corrosion resistance is a coating with a beautiful finish.

V-pulley external appearance

V-pulley external appearance

Product standard  Product standard conforms to JIS B1854-1987 "General Purpose V Pulleys."

Product standard Product standard conforms to JIS B1854-1987 "General Purpose V Pulleys."

Groove ShapeNominal Size
dm
α ± 0.5
(°)
low1kkoe*1f
A100 Or Less349.211.954.5+0.2
0
8.015.0 ±0.410.0±1
Over 100, And 125 Or Less3612.12
Over 1253812.30
B160 Or Less3412.515.865.5+0.2
0
9.519.0 ± 0.412.5±1
Over 160, And 200 Or Less3616.07
Over 2003816.29
C250 Or Less3416.921.187.0+0.3
0
12.025.5 ± 0.517.0±1
Over 250, And 315 Or Less3621.45
Over 3153821.72
D450 Or Less3624.630.779.5+0.4
0
15.537.0 ±0.524.0+2
-1
Over 4503831.14

Groove dimensions (units: mm)
*1: e cumulative error of 0.8 mm or less.

Nominal Size
dm
Outer Circumference Vibration ToleranceRim Side Vibration ToleranceDiameter Tolerance
118 Or Less0.15 (0.3)0.15(0.3)±0.4 (±0.6)
Between 125 And 1600.15 (0.4)0.15(0.4)±0.6(±0.8)
Between 165 And 2240.2 (0.4)0.2(0.4)±0.6(±0.8)
Between 236 And 3000.25 (0.4)0.25(0.4)±0.6(±0.8)
Between 315 and 45003 (0.6)0.3 (0.6)±0.9(±1.2)
Between 475 and 6300.4(0.6)0.4(0.6)±0.9(±1.2)
Between 710 and 1,1200.5 (0.8)0.5 (0.8)±1.2(±1.6)

Outer circumference / rim side vibration tolerance value and outer diameter tolerance value (units: mm)
*Parentheses enclose corresponding JIS B1854-1987 values

Balance

Imbalance mass allowance on the outer circumference is 0.1% or 1 g of the pulley mass, whichever is larger. At a circumferential speed of 15 m/s, this corresponds to G16 of the JIS B 0905 "Rotating Machines - Balance Quality of Rigid Rotors."

Material and finish

JIS V-pulley: FC200 or higher coating, NBK blue (main body)

Part Number
63-B-1
63-B-2
71-B-1
71-B-2
71-B-3
75-B-1
75-B-2
75-B-3
80-B-1
80-B-2
80-B-3
80-B-4
90-B-1
90-B-2
90-B-3
90-B-4
1000-B-3
1000-B-4
1000-B-5
100-B-1
100-B-2
100-B-3
100-B-4
100-B-5
106-B-1
106-B-2
106-B-3
106-B-4
106-B-5
112-B-1
112-B-2
112-B-3
112-B-4
112-B-5
118-B-1
118-B-2
118-B-3
118-B-4
118-B-5
125-B-1
125-B-2
125-B-3
125-B-3F
125-B-4
125-B-5
132-B-1
132-B-2
132-B-3
132-B-3F
132-B-4
132-B-5
135-B-1
135-B-2
135-B-3
135-B-4
135-B-5
140-B-1
140-B-2
140-B-3
140-B-3F
Part NumberVolume DiscountDays to ShipRoHSNominal Diameter
(mm)
Number of grooves
(piece)
Type Additional Work
5 Day(s) or more 1063111UNo
5 Day(s) or more 1063211UNo
5 Day(s) or more 1071121UNo
4 Day(s) or more 1071221UNo
5 Day(s) or more 1071321UNo
5 Day(s) or more 1075121UNo
5 Day(s) or more 1075221UNo
5 Day(s) or more 1075321UNo
5 Day(s) or more 1080121UNo
5 Day(s) or more 1080221UNo
5 Day(s) or more 1080321UNo
5 Day(s) or more 1080441UNo
5 Day(s) or more 1090121UNo
5 Day(s) or more 1090221UNo
5 Day(s) or more 1090321UNo
5 Day(s) or more 1090441UNo
32 Day(s) or more 101000310YNo
32 Day(s) or more 101000430YNo
32 Day(s) or more 101000550YNo
5 Day(s) or more 10100121UNo
5 Day(s) or more 10100221UNo
5 Day(s) or more 10100321UNo
4 Day(s) or more 10100441UNo
5 Day(s) or more 10100541UNo
4 Day(s) or more 10106121UNo
5 Day(s) or more 10106221UNo
5 Day(s) or more 10106321UNo
4 Day(s) or more 10106441UNo
5 Day(s) or more 10106541UNo
5 Day(s) or more 10112121UNo
5 Day(s) or more 10112221UNo
5 Day(s) or more 10112321UNo
5 Day(s) or more 10112441UNo
5 Day(s) or more 10112541UNo
5 Day(s) or more 10118121UNo
5 Day(s) or more 10118221UNo
5 Day(s) or more 10118321UNo
4 Day(s) or more 10118441UNo
5 Day(s) or more 10118541UNo
3 Day(s) or more 10125123UNo
5 Day(s) or more 10125221UNo
5 Day(s) or more 10125321UNo
5 Day(s) or more 10125341UNo
5 Day(s) or more 10125441UNo
5 Day(s) or more 10125541UNo
4 Day(s) or more 10132123UNo
5 Day(s) or more 10132221UNo
5 Day(s) or more 10132321UNo
5 Day(s) or more 10132341UNo
5 Day(s) or more 10132441UNo
5 Day(s) or more 10132541UNo
4 Day(s) or more 10135120UNo
5 Day(s) or more 10135221UNo
5 Day(s) or more 10135321UNo
4 Day(s) or more 10135441UNo
5 Day(s) or more 10135541UNo
5 Day(s) or more 10140120UNo
5 Day(s) or more 10140222UNo
5 Day(s) or more 10140322UNo
5 Day(s) or more 10140340UNo

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Basic Information

Groove shape B

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