Pulley / Centering Groove / Crowned / Width: 25~100

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Pulley/Centering Groove/Crowned/Width: 25~100:Related Image

Material: EN AW-5052 Equiv.
Surface Treatment: Clear Anodize

Specifications

■Crowned

Part Number	-	d	-	L	-	H
ROBAC30	-	NK10	-	L62	-	H0.3

■Crosspiece Groove Straigh

Part Number	-	d	-	L	-	X	-	Y	-	Z
ROBAM40	-	15	-	L82	-	X7.8	-	Y6.0	-	Z5.0

Part Number		d_H7		1mm Increment	Crowned only	Crosspiece Groove Straight only: 0.1mm Increment			Key Length	M		ℓ	F
										Round Hole + Tap	Keyway + Tap
Type	D	Round Hole + Tap	Keyway + Tap	L	H	X	Y	Z	K
Crowned ROBAC ROBACF Crosspiece Groove Straight ROBAM Crosspiece Groove Straight is only available in D dimension 30 or larger.	15	8	N8	Crowned 25~100 Crosspiece Groove Straight 50~100 When Keyway is selected for Crosspiece Groove Straight D=60 or 80 60~100	0.3 0.5 0.8	-	-	-	25	M4	M3	3.5	-
	20	8	N8						25				-
		10	N10, NK10
	25	8	N8						25				26
		10	N10, NK10
	30	8	N8			7.0~15.0	5.0~12.0	4.0~7.0	25				31
		10	N10, NK10
		12	N12					4.0~6.0	30
	35	10	N10, NK10					4.0~7.0	25				36
		12	N12						30
		15	N15								M4
	40	12	N12						30		M3		41
		15	N15								M4
		20	N20								M5
	50	15	N15						30	M5	M4	4	51
		20	N20								M5
		25	N25								M5
	60	20	N20						30	M6	M5	4.5	61
		25	N25								M6
		30	N30
	80	25	N25						30	M8	M6	6	81
		30	N30
		35	-						-		-

K=L (No Flange) or K=L+4 (Flanged) when L≤36(N8, N10, NK10) or L≤43(N12, N15, N20) or L≤45(N25, N30).
Flanged Type is only applicable to D=25 or more; Flanged Type with Keyways to D30 or more.
Specify NK10 when Keyway + Tap with shaft bore with keyway width 4.0mm (height 1.8mm) is desired.

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Part Number
ROBAC15-8-L[25-100/1]-H[0.3,0.5,0.8]
ROBAC20-[8,10]-L[25-100/1]-H[0.3,0.5,0.8]
ROBAC25-[8,10]-L[25-100/1]-H[0.3,0.5,0.8]
ROBAC30-[8,10,12]-L[25-100/1]-H[0.3,0.5,0.8]
ROBAC35-[10,12,15]-L[25-100/1]-H[0.3,0.5,0.8]
ROBAC40-[12,15,20]-L[25-100/1]-H[0.3,0.5,0.8]
ROBAC50-[15,20,25]-L[25-100/1]-H[0.3,0.5,0.8]
ROBAC60-[20,25,30]-L[25-100/1]-H[0.3,0.5,0.8]
ROBAC80-[25,30,35]-L[25-100/1]-H[0.3,0.5,0.8]
ROBACF25-[8,10]-L[25-100/1]-H[0.3,0.5,0.8]
ROBACF30-[8,10,12]-L[25-100/1]-H[0.3,0.5,0.8]
ROBACF35-[10,12,15]-L[25-100/1]-H[0.3,0.5,0.8]
ROBACF40-[12,15,20]-L[25-100/1]-H[0.3,0.5,0.8]
ROBACF50-[15,20,25]-L[25-100/1]-H[0.3,0.5,0.8]
ROBACF60-[20,25,30]-L[25-100/1]-H[0.3,0.5,0.8]
ROBACF80-[25,30,35]-L[25-100/1]-H[0.3,0.5,0.8]
ROBAM30-8-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
ROBAM30-10-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
ROBAM30-12-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-6/0.1]
ROBAM35-[10,12,15]-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
ROBAM40-12-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
ROBAM40-[12,15,20]-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
ROBAM50-[15,20,25]-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
ROBAM60-[20,25,30]-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
ROBAM80-[25,30,35]-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]

Minimum order quantity	Standard Shipping Days ?	RoHS	With or w/o Flange	Shape	O.D. D (Ø)	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	10	No Flange	Crowned	15	8	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	No Flange	Crowned	20	8 ～ 10	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	No Flange	Crowned	25	8 ～ 10	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	No Flange	Crowned	30	8 ～ 12	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	No Flange	Crowned	35	10 ～ 15	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	No Flange	Crowned	40	12 ～ 20	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	No Flange	Crowned	50	15 ～ 25	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	No Flange	Crowned	60	20 ～ 30	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	No Flange	Crowned	80	25 ～ 35	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	Flanged	Crowned	25	8 ～ 10	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	Flanged	Crowned	30	8 ～ 12	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	Flanged	Crowned	35	10 ～ 15	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	Flanged	Crowned	40	12 ～ 20	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	Flanged	Crowned	50	15 ～ 25	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	Flanged	Crowned	60	20 ～ 30	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	Flanged	Crowned	80	25 ～ 35	Round Hole + Tap	-	0.3 ～ 0.8	25 ～ 100	-	-	-
1	9 Days	10	No Flange	Crosspiece Groove	30	8	Round Hole + Tap	-	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
1	9 Days	10	No Flange	Crosspiece Groove	30	10	Round Hole + Tap	-	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
1	9 Days	10	No Flange	Crosspiece Groove	30	12	Round Hole + Tap	-	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 6
1	9 Days	10	No Flange	Crosspiece Groove	35	10 ～ 15	Round Hole + Tap	-	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
1	9 Days	10	No Flange	Crosspiece Groove	40	12	Round Hole + Tap	-	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
1	9 Days	10	No Flange	Crosspiece Groove	40	12 ～ 20	Round Hole + Tap	-	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
1	9 Days	10	No Flange	Crosspiece Groove	50	15 ～ 25	Round Hole + Tap	-	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
1	9 Days	10	No Flange	Crosspiece Groove	60	20 ～ 30	Round Hole + Tap	-	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
1	9 Days	10	No Flange	Crosspiece Groove	80	25 ～ 35	Round Hole + Tap	-	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7

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Basic information

Type	Pulleys	Surface Urethane	Urethane Not Provided	Material	Aluminum Alloy 5000 series
Length L(mm)	Up to 50 / ≤100	Shaft Type	Round Hole	Surface Treatment	Clear Anodized Aluminum