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Gravity Roller ConveyorMMR type
Roller diameter φ60.5 for heavy loads
A stronger version of the impact-resistant MR type.

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Product overview
■ Roller outer diameter x thickness: φ60.5 x t3.8mm
■ Shaft dimensions: φ16mm pipe
■Frame: [90×30×t3.2(4.5)mm
■Roller individual production range (RW): 90 to 1,590 mm
- If you require a roller width greater than 990RW, please contact our sales department.
specification
| ■Straight | ■ Curve | |||||||||||||||
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× |
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R × |
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Unit: mm
![]() | Model | MMR (steel, heavy load) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RW Nominal roller width (mm) | 90 | 150 | 240 | 305 | 390 | 490 | 620 | 690 | 790 | 890 | 990 | |
![]() | FW Frame inner width (mm) | 100 | 160 | 250 | 315 | 400 | 500 | 630 | 700 | 800 | 900 | 1,000 |
| Machine width FW+60 (mm) | 160 | 220 | 310 | 375 | 460 | 560 | 690 | 760 | 860 | 960 | 1,060 | |
![]() | P Roller pitch *1 (mm) | 75、100、150 | ||||||||||
![]() | L Captain length (mm) | 1,000、1,500、2,000、3,000 | ||||||||||
![]() | Curve angle *2 | 45°、90° | ||||||||||
![]() | Frame (mm) | 90×30×t3.2(B), 4.5(C) |
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- If the machine length is 1m and 2m and the roller pitch (P) is 75 and 150, the actual roller pitch will be 77 and 154 respectively.
- Curves are applicable for nominal roller widths of 240mm or more. (For nominal widths of 890mm and 990mm, a 90° curve is divided into two 45° units.)
Dimensions

Body weight table (B frame)

Allowable load

Note: The above figures are for no impact.

Note) The above is calculated with an allowable bending stress of 100 MPa and a deflection of 1/500.

MMR
700
75
3000
B(C)
90
90×30×t3.2(B), 4.5(C)