Roller diameter of φ57 with #40x10T sprockets (medium-duty type)
CTT4SB plastic sprockets (with bearings) / CTT4SS steel sprockets (with bearings) / CTT4WS steel sprockets, double (with bearings)
Product information
■Roller×Thickness：φ57×t2.3mm
■Sprocket：#40×10T（Plastic, Steel）
■Shaft dimensions：φ11.8mm round steel
■Roller length that can be produced（effective roller width）：305～690mm
Specifications
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 | Model | CTT（Roller inner side diameter φ57 for R900） | |||||
|---|---|---|---|---|---|---|---|
 | Nominal roller width (mm) | 305 | 390 | 490 | 620 | 690 | |
| RW Effective roller width（mm） | 300（301） *1 | 385（386） *1 | 485（486） *1 | 615（616） *1 | 685（686） *1 | ||
| FW Inner frame width （mm） | Single | 339 | 424 | 524 | 654 | 724 | |
| Double | 362 | 447 | 547 | 677 | 747 | ||
| L Shaft length （mm） | Single | 349 | 434 | 534 | 664 | 734 | |
| Double | 372 | 457 | 557 | 687 | 757 | ||
| Tapered major diameter (Dφ) | 75（74.7） *1 | 80 | 85（85.6） *1 | 90.4 | 97.4 | ||
| Tapered roller shaft position (h) （mm） | Single | 27 | 29.5 | 32.5 | 36.5 | 38.5 | |
| Double | 29.4 | 32 | 35 | 39 | 41 | ||
 | Chain | #40 chain | |||||
 | No. of chain rows | S: 1 chain (single) W: 2 chain (double) *2 | |||||
 | Sprockets | B: plastic sprockets (with bearings) S: steel sprockets (with bearings) |
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 | Bearings | D:Bearings for driving | |||||
 | Shaft | N: no shaft A: shaft | |||||
- 1 （ ） is for CTT4WS.
- Double chaings(two rows) are only for CTT4WS alone.
Standard drawings
Load weight per roller
