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Pulley/With Urethane/Centering Groove/Crowned/Width: 110~500 (Part Numbers)

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Pulley/With Urethane/Centering Groove/Crowned/Width: 110~500:Related Image

Type		Material		Hardness
Crowned	(Crosspiece Groove Straight)	Core	Lining
RWBCU	RWBMU	Aluminum Alloy	Urethane (Natural Color)	Shore A90
RWBCG	RWBMG			Shore A70

Urethane is heat-bonded on the outer circumference of the core material.

Specifications

■Crowned

Part Number	-	d	-	L
RWBCU58	-	N20	-	320

■Crosspiece Groove Straight

Part Number	-	d	-	L	-	X	-	Y	-	Z
RWBMG48	-	15	-	120	-	X8	-	Y7	-	Z5

Part Number		d_H9		10mm Increment	1mm Increment			Urethane Thickness	Keyway Length	d₁	D₁	M
Type	D	Round Hole + Tap	Keyway + Tap	L	X	Y	Z	T	K
Crowned RWBCU RWBCG Crosspiece Groove Straight RWBMU RWBMG Crosspiece Groove Straight is applicable to * marked d dimension only.	28	8	-	110~500	-	-	-	5	-	10	12	M3
	38	12	N12					5	25	20	22
		15	-						-
	48	*10	N10, NK10		7~15	7~12	4~7	10	25	20	22
		*15	-						-
		20	N20		-	-	-	5	30	30	32	M5
		25	-						-
	58	*20	*N20		7~15	7~12	4~7	10	30	30	32
		*25	-						-
	78	*25	*N25					10	30	50	52	M6
		*30	*N30
		*35	*N35

Urethane may discolor over time, but there is no effect on properties.
Specify NK10 when Keyway + Tap with shaft bore dia. 10 and keyway width 4.0mm (height 1.8mm) is desired.

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Part Number
RWBMU78-25-[110-500/10]-X[7-15/1]-Y[7-12/1]-Z[4-7/1]
RWBMU78-30-[110-500/10]-X[7-15/1]-Y[7-12/1]-Z[4-7/1]
RWBMU78-35-[110-500/10]-X[7-15/1]-Y[7-12/1]-Z[4-7/1]
RWBMU78-N25-[110-500/10]-X[7-15/1]-Y[7-12/1]-Z[4-7/1]
RWBMU78-N30-[110-500/10]-X[7-15/1]-Y[7-12/1]-Z[4-7/1]
RWBMU78-N35-[110-500/10]-X[7-15/1]-Y[7-12/1]-Z[4-7/1]

Standard Unit Price	Shipping Days?	RoHS	Shape	O.D. D (Ø)	Shaft (Bore) Dia. d (mm)	Shaft Hole Specifications	Keyway Width b (mm)	Urethane Hardness (mm)	L (mm)	X (mm)	Y (mm)	Z (mm)
-	10 Days	10	Crosspiece Groove	78	25	Round Hole + Tap	-	Shore A90	110 ～ 500	7 ～ 15	7 ～ 12	4 ～ 7
-	10 Days	10	Crosspiece Groove	78	30	Round Hole + Tap	-	Shore A90	110 ～ 500	7 ～ 15	7 ～ 12	4 ～ 7
-	10 Days	10	Crosspiece Groove	78	35	Round Hole + Tap	-	Shore A90	110 ～ 500	7 ～ 15	7 ～ 12	4 ～ 7
-	10 Days	10	Crosspiece Groove	78	25	New JIS Keyway + Tap	-	Shore A90	110 ～ 500	7 ～ 15	7 ～ 12	4 ～ 7
-	10 Days	10	Crosspiece Groove	78	30	New JIS Keyway + Tap	-	Shore A90	110 ～ 500	7 ～ 15	7 ～ 12	4 ～ 7
-	10 Days	10	Crosspiece Groove	78	35	New JIS Keyway + Tap	-	Shore A90	110 ～ 500	7 ～ 15	7 ～ 12	4 ～ 7

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Basic information

Type	Pulleys	With or w/o Flange	No Flange	Surface Urethane	Urethane Provided
Material	EN AW-6063 Equiv.	Length L(mm)	≤300 / ≤500	Shaft Type	Round Hole
Surface Treatment	Not Provided