Pulley / Centering Groove / Crowned / Width: 110~500

Part Number

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■Keyway Shape Crowned
ROBAWC·ROBMWC·ROBSWC
Crosspiece Groove Straight
ROBAWM·ROBMWM·ROBSWM
Crosspiece Groove Part [ ! ]X ≥ Y

[!] For Crosspiece Groove Part Dimensions, see "Pulley, Idler Relief Dimensions."
■New JIS (B1301) Keyway Dimensions
NominaldH9bJS9t Tolerance
N88+0.036
0    
3±0.01251.4+0.1
0
N1010
NK10104±0.01501.8
N1212+0.043
0    
N151552.3
N2020+0.052
0    
62.8
N25258±0.01803.3+0.2
0
N3030
N3535+0.062
0    
10
Type[M] Material[S] Surface Treatment
CrownedCrosspiece Groove StraightPulleyPress Fit Bushing
ROBAWCROBAWMAluminum AlloyAluminum AlloyClear Anodize
ROBMWCROBMWMEN 1.0480 Equiv.EN 1.1191 Equiv.Electroless Nickel Plating
ROBSWCROBSWMEN 1.4301 Equiv.EN 1.4301 Equiv.
[ ! ]Set screws are not included.
*1 Since the drawing surface of pipe is unpolished, the Inner Dia. d1 is misshapen to some extent.

Specification Table

■CrownedPart NumberdLH
 ROBAWC3010L350H1.0
 ROBMWC35N10L300H0.5
 ROBSWC50N15L400H0.5
 
■Crosspiece Groove
Straight
Part NumberdLXYZ
ROBAWM6025L250X14.0Y11.8Z5.0
 ROBMWM5020L350X13.0Y11.5Z6.0
 ROBSWM5025L400X12.0Y10.0Z6.0
Part NumberdH91 mm IncrementsH Selection0.1 mm IncrementsK[ ! ] d1D1M (Coarse)
TypeDStraight Bore + TapKeyway + TapLL = 110 to 300L = 310 to 510XYZKey LengthAluminum
Alloy
Steel
(EN 1.0480 Equiv.)
Stainless Steel
(EN 1.4301 Equiv.)
Straight Bore + TapKeyway + Tap
Crowned
ROBAWC
ROBMWC
ROBSWC


Crosspiece Groove Straight
ROBAWM
ROBMWM
ROBSWM
308N8110 to 5100.3


0.5


0.8
0.5


0.8


1.0


1.2
7.0 to 15.05.0 to 12.02.0 to 4.5251515.81822M4M3
10N10 · NK10
12N1230
3510N104.0 to 6.0251718.11827M4M3
12N1230
15N15
4012N124.0 to 7.0301718.72033M4M3
15N15M4
20N204.0 to 6.02222.722M5
5015N154.0 to 7.017302840M5M4
20N2022M5
25N2527M6
(60)20N2022  45M6M5
25N2532M6
30N30  
(80)25N2541  55M8M6
30N30
35N35  M8
[!] D = (60) or (80) is applicable only for the Aluminum Alloy material. [!] For Crosspiece Groove Straight with D = 30 or 35, only Aluminum Alloy is available as the material. [!] Specify NK10 when Keyway + Tap with shaft bore dia. 10 and keyway width 4.0 mm (height 1.8 mm) is desired.
Unspecified Dimension Tolerance
(Excluding d1)
Dimension RangeTolerance
(mm)
OverOr Less
0.53±0.1
36±0.1
630±0.2
30120±0.3
[!] Compliant with JIS B 0405 m (Medium Class).

Part Number:  

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Part Number
ROBAWC30-[8,​10,​12]-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC30-N8-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC30-N8-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC30-N10-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC30-N10-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC30-N12-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC30-N12-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC30-NK10-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC30-NK10-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC35-[10,​12,​15]-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC35-[10,​12,​15]-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC35-N10-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC35-N10-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC35-N12-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC35-N12-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC35-N15-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC35-N15-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC40-[12,​15,​20]-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC40-[12,​15,​20]-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC40-N12-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC40-N12-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC40-N15-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC40-N15-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC40-N20-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC40-N20-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC50-[15,​20,​25]-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC50-[15,​20,​25]-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC50-N15-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC50-N15-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC50-N20-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC50-N20-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC50-N25-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC50-N25-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC60-[20,​25,​30]-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC60-[20,​25,​30]-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC60-N20-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC60-N20-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC60-N25-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC60-N25-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC60-N30-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC60-N30-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC80-[25,​30,​35]-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC80-[25,​30,​35]-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC80-N25-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC80-N25-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC80-N30-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC80-N30-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC80-N35-L[110-500/10]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWC80-N35-L[110-510/1]-H[0.3,​0.5,​0.8,​1,​1.2]
ROBAWM30-[8,​10,​12]-L[110-500/10]-X[7-15/0.1]-Y[5-12/0.1]-Z[2-4.5/0.1]
ROBAWM30-[8,​10,​12]-L[110-510/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[2-4.5/0.1]
ROBAWM30-N8-L[110-500/10]-X[7-15/0.1]-Y[5-12/0.1]-Z[2-4.5/0.1]
ROBAWM30-N8-L[110-510/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[2-4.5/0.1]
ROBAWM30-N10-L[110-500/10]-X[7-15/0.1]-Y[5-12/0.1]-Z[2-4.5/0.1]
ROBAWM30-N10-L[110-510/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[2-4.5/0.1]
ROBAWM30-N12-L[110-500/10]-X[7-15/0.1]-Y[5-12/0.1]-Z[2-4.5/0.1]
ROBAWM30-N12-L[110-510/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[2-4.5/0.1]
ROBAWM30-NK10-L[110-500/10]-X[7-15/0.1]-Y[5-12/0.1]-Z[2-4.5/0.1]
ROBAWM30-NK10-L[110-510/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[2-4.5/0.1]
ROBAWM35-[10,​12,​15]-L[110-500/10]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-6/0.1]
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSShape Material O.D. D
(Ø)
Surface Treatment Shaft (Bore) Dia. d
(mm)
Shaft Hole Specifications Keyway Width b
(mm)
H
(mm)
L
(mm)
X
(mm)
Y
(mm)
Z
(mm)

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum8 ~ 12Round Hole + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum8New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum8New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum10New JIS Keyway + Tap30.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum10New JIS Keyway + Tap30.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum12New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum12New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum10New JIS Keyway + Tap40.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum10New JIS Keyway + Tap40.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series35Electroless Nickel Plating10 ~ 15Round Hole + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series35Electroless Nickel Plating10 ~ 15Round Hole + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series35Electroless Nickel Plating10New JIS Keyway + Tap30.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series35Electroless Nickel Plating10New JIS Keyway + Tap30.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series35Electroless Nickel Plating12New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series35Electroless Nickel Plating12New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series35Electroless Nickel Plating15New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series35Electroless Nickel Plating15New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series40Clear Anodized Aluminum12 ~ 20Round Hole + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series40Clear Anodized Aluminum12 ~ 20Round Hole + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series40Clear Anodized Aluminum12New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series40Clear Anodized Aluminum12New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series40Clear Anodized Aluminum15New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series40Clear Anodized Aluminum15New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series40Clear Anodized Aluminum20New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series40Clear Anodized Aluminum20New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series50Clear Anodized Aluminum15 ~ 25Round Hole + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series50Clear Anodized Aluminum15 ~ 25Round Hole + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series50Clear Anodized Aluminum15New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series50Clear Anodized Aluminum15New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series50Clear Anodized Aluminum20New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series50Clear Anodized Aluminum20New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series50Clear Anodized Aluminum25New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series50Clear Anodized Aluminum25New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series60Clear Anodized Aluminum20 ~ 30Round Hole + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series60Clear Anodized Aluminum20 ~ 30Round Hole + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series60Clear Anodized Aluminum20New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series60Clear Anodized Aluminum20New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series60Clear Anodized Aluminum25New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series60Clear Anodized Aluminum25New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series60Clear Anodized Aluminum30New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series60Clear Anodized Aluminum30New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series80Clear Anodized Aluminum25 ~ 35Round Hole + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series80Clear Anodized Aluminum25 ~ 35Round Hole + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series80Clear Anodized Aluminum25New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series80Clear Anodized Aluminum25New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series80Clear Anodized Aluminum30New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series80Clear Anodized Aluminum30New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series80Clear Anodized Aluminum35New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 500---

-

1 9 Days 10Crowned[Aluminum] Aluminum Alloy 5000 series80Clear Anodized Aluminum35New JIS Keyway + Tap-0.3 ~ 1.2110 ~ 510---

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1 9 Days 10Crosspiece Groove[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum8 ~ 12Round Hole + Tap--110 ~ 5007 ~ 155 ~ 122 ~ 4.5

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1 9 Days 10Crosspiece Groove[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum8 ~ 12Round Hole + Tap--110 ~ 5107 ~ 155 ~ 122 ~ 4.5

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1 9 Days 10Crosspiece Groove[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum8New JIS Keyway + Tap--110 ~ 5007 ~ 155 ~ 122 ~ 4.5

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1 9 Days 10Crosspiece Groove[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum8New JIS Keyway + Tap--110 ~ 5107 ~ 155 ~ 122 ~ 4.5

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1 9 Days 10Crosspiece Groove[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum10New JIS Keyway + Tap3-110 ~ 5007 ~ 155 ~ 122 ~ 4.5

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1 9 Days 10Crosspiece Groove[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum10New JIS Keyway + Tap3-110 ~ 5107 ~ 155 ~ 122 ~ 4.5

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1 9 Days 10Crosspiece Groove[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum12New JIS Keyway + Tap--110 ~ 5007 ~ 155 ~ 122 ~ 4.5

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1 9 Days 10Crosspiece Groove[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum12New JIS Keyway + Tap--110 ~ 5107 ~ 155 ~ 122 ~ 4.5

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1 9 Days 10Crosspiece Groove[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum10New JIS Keyway + Tap4-110 ~ 5007 ~ 155 ~ 122 ~ 4.5

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1 9 Days 10Crosspiece Groove[Aluminum] Aluminum Alloy 5000 series30Clear Anodized Aluminum10New JIS Keyway + Tap4-110 ~ 5107 ~ 155 ~ 122 ~ 4.5

-

1 9 Days 10Crosspiece Groove[Aluminum] Aluminum Alloy 5000 series35Clear Anodized Aluminum10 ~ 15Round Hole + Tap--110 ~ 5007 ~ 155 ~ 124 ~ 6

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Basic information

Type Pulleys With or w/o Flange No Flange Surface Urethane Urethane Not Provided
Length L(mm) ≤300 / ≤500 Shaft Type Round Hole

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