Configure
- Metal Part Outer Diameter D
- 20
- 30
- 40
- 50
- Material
- Steel
- Steel
- Aluminum
- Aluminum Alloy
- Stainless Steel
- SUS304
- Internal Diameter d
- 6
- 8
- 10
- 12
- 15
- 20
- 25
- Properties / applications
- Surface Treatment
- Groove Shape
- Overall Length L(㎜)[50-500/1㎜ units]
- Groove Pitch(㎜)[10-470/1㎜ units]
- Number of Grooves(Groove)
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- Belt Dia.(ø)
- 2
- 3
- 4
- 5
- 6
- CAD
- 2D
- Est. shipping days
- All
- Within 9 working days
Grooved Roller for Round Belt (Center-Symmetrical Pitch Type) with Bearings
Mouse over image to enlarge
Part number:
possible part numbers found.Outline drawing and specifications table
[With Odd Number of Grooves]
[With Even Number of Grooves]
*Bearing precision JIS B 1514-1 Class 0
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*Bearing precision JIS B 1514-1 Class 0
| Type | Material | Surface Treatment | |||
| U Groove | Wide Groove | Trapezoid Groove | Roller | Bearing | |
| MRCBUA | MRCBWA | MRCBDA | 5000 Series Aluminum Alloy | Bearing Steel | Clear Anodize |
| MRCBUS | MRCBWS | MRCBDS | EN 1.4301 Equiv. | — | |
| MRCBUM | MRCBWM | MRCBDM | Carbon Steel | Electroless Nickel Plating | |
Specification Table
| Part Number | — | d | — | L | — | P | — | N | — | A |
| MRCBUA30 | — | 8 | — | 300 | — | P50 | — | N5 | — | A3 |
| Part Number | D | d | Overall Length L 1 mm Increments | Groove Pitch P 1 mm Increments | Number of Grooves N | Belt Dia. (ø) A | L1 | F | D1 | B | d1 | Bearing Part Number | ||||
| Type | ||||||||||||||||
| Aluminum Alloy | EN 1.4301 Equiv. | Carbon Steel | ||||||||||||||
| U Groove MRCBUA MRCBUS MRCBUM | Wide Groove MRCBWA MRCBWS MRCBWM | Trapezoid Groove MRCBDA MRCBDS MRCBDM | 20 | 6 | 50 to 200 | P ≥ 10 However , F ≥ 15 | N ≥ 2 However , F ≥ 15 Number of Grooves: Max. 30 | 2·3 | L1 = P× (N－1) | F ≥ 15 F = (L－L1)/2 | 15 | 5 | 11 | 13 | 12 | 696ZZ |
| 8 | 16 | 688ZZ | ||||||||||||||
| 30 | 8 | 50 to 300 | 2·3·4 | 19 | 6 | 15 | — | — | 698ZZ | |||||||
| 8 A | 22 | 7 | — | 18 | 15.8 | 608ZZ | ||||||||||
| 10 | 22 | 6 | 15 | 6900ZZ | ||||||||||||
| 12 | 24 | 6901ZZ | ||||||||||||||
| 40 | 8 | 50 to 500 | 2·3·4·5 | 24 | 8 | 17 | 20 | 18.7 | 628ZZ | |||||||
| 10 | 26 | 6000ZZ | ||||||||||||||
| 12 | 24 | 6 | 6901ZZ | |||||||||||||
| 15 | 28 | 7 | 6902ZZ | |||||||||||||
| 20 | 32 | 22 | 22 | 22.7 | 6804ZZ | |||||||||||
| 50 | 10 | 2·3·4·5·6 | 30 | 9 | 17 | 22 | 18 | 6200ZZ | ||||||||
| 12 | 28 | 8 | 22 | 6001ZZ | ||||||||||||
| 15 | 28 | 7 | 17 | 6902ZZ | ||||||||||||
| 20 | 37 | 9 | 27 | 28 | 30 | 6904ZZ | ||||||||||
| 25 | 42 | 6905ZZ | ||||||||||||||
Number of grooves N is 2 ≤ N ≤ ([L - 2 × F]/10 [minimum pitch distance]) + 1
Relief is added to the end faces to prevent contact with the bearing inner ring.
Alterations
| Alterations Code | Bearing Material Change | Specifying Example |
| SB | Changes the bearing to stainless steel. | MRCBUS30-8-300-P50-N5-A3-SB |
Part number list
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Unit price (excluding VAT)(Unit price including VAT) | Standard shipping days |
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More Information
Basic information
Grooved rollers for round belts, with bearings.
Multiple grooves can be machined on one roller, reducing the number of parts.
Roller length and groove position are configurable in 1‑mm increments. The number of grooves can be freely selected.
The groove pitch is symmetrical to the center. Ideal when groove pitch is uniform.
Three types available with different groove shapes.
◆ U Groove: Standard; W Groove: Inclined belts, etc. (no recommended angle); Trapezoid Groove: Belt slip reduction
♦ Material: Aluminum Alloy, Stainless Steel (EN 1.4301 Equiv.), Carbon Steel
♦ Applicable Round Belt Dia.: ø3 to 6
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