Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L110-500

MISUMI

[Specification Change] Internal bearing material will be changed to SUJ2 equivalent starting in July 2025. Please check here for part numbers with specification changes. Products before and after the change may be mixed in the same shipment, but there are no problems with use.
Please check the content on our website as the PDF does not contain the most up-to-date information.

· Product type: Idlers.
· Idlers type: Bearing Built-in.
· Shape of Idlers: Straight type, Crosspiece Groove Straight Type and Crowned Type.
· Shaft Type : Bearing on Each End (2-Bearing in Total)
· The product code series Straight type: ROFAWC, ROFMWC and ROFSWC
· The product code series Crowned Type: ROFAWT, ROFMWT and ROFSWT
· The product code series Crosspiece Groove Straight: ROFAWM, ROFMWM and ROFSWM
· Outer Diameter: 30-80 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length: 110-510 mm.
· Idler Engineering Plastic Roller, Steel Roller (TC-RP, TC-RU)

Straight
ROFAWC·ROFMWC·ROFSWC
ROFAWCS·ROFSWCS Crowned
ROFAWT·ROFMWT·ROFSWT
ROFAWTS·ROFSWTS Crosspiece Groove Straight
ROFAWM·ROFMWM·ROFSWM
ROFAWMS·ROFSWMS Crosspiece Groove Part [ ! ]X ≥ Y

*1 Since the drawing surface of pipe is unpolished, the Inner Dia. d₁ is misshapen to some extent.
[!] For Crosspiece Groove Part Dimensions, see "Pulley, Idler Relief Dimensions."
[!] The bearings are removable. Temporarily held with tape for shipping.

Type			Roller		Bearing (Track Ring / Rolling Element)
Straight	Crowned	Crosspiece Groove Straight	[M] Material	[S] Surface Treatment	[M] Material
ROFAWC	ROFAWT	ROFAWM	Aluminum Alloy	Clear Anodize	SUJ2
ROFAWCS	ROFAWTS	ROFAWMS	Aluminum Alloy	Clear Anodize	SUS440C Equivalent
ROFMWC	ROFMWT	ROFMWM	STKM13A	Electroless Nickel Plating	SUJ2
ROFSWC	ROFSWT	ROFSWM	SUS304	—	SUJ2
ROFSWCS	ROFSWTS	ROFSWMS	SUS304	—	SUS440C Equivalent

Track surface / roller material: SUJ2
*SUJ2 equivalent materials are used in some products. Please check here for part numbers subject to specification changes.