C31/670MB Bearing Technical Specifications
- Dimensions
-
- Bore Diameter(d) 670 mm
- Outer Diameter (D) 1090 mm
- Width(B) 336 mm
- Basic Load Rating
-
- Dynamic Load Rating (Cr) 12000 kN
- Static Load Rating (Cor) 22000 kN
-
- Weight 1230 kg
- Bearing Model
- C31/670MB width Cylindrical Bore
- Bearing Type
- CARB Toroidal Roller Bearings
- Main Dimensions
- 670mm × 1090mm × 336mm
| ID | 670 mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 1090 mm | Outside diameter(O.D.) |
| B | 336 mm | Width |
| rmin | 7.5 mm | Minimum chamfer radius |
| Cr | 12000 kN | Radial dynamic load rating |
| Cor | 22000 kN | Radial static load rating |
| reference | 380 r/min | Reference speed |
| limit | 530 r/min | Limiting speed |
| Mass | 1230 Kg | Weight |
- Brand
- WJY / OEM Available
- Origin
- Wafangdian, China (Global bearing manufacturing hub with 30+ years expertise)
- Precision Rating
- P0 (Standard) / P6 / P5 / P4 (Higher precision for demanding applications)
- Cage
- The default cage is stamped steel; Steel, Brass, and Machined Brass cages are optional, with other types not enumerated here.
- Material
-
- GCr15 Bearing Steel (Industry-standard for high load & fatigue resistance)
- GCr15SiMn
- GCr18Mo
- G20Cr2Ni4A
- Clearance
- C3 (standard), customizable to C0/C2/C4/C5
- Quality Standard
- ISO 9001:2015 Certified
CARB toroidal roller bearing C31/670MB is a single-row non-locating bearing with cylindrical bore, designed for heavy radial loads. It features toroidal raceway profiles to compensate for shaft misalignment, supporting 12000 kN dynamic and 22000 kN static ratings. With 670 mm bore, 1090 mm OD, and 336 mm width, this bearing suits industrial drives, conveyor systems, and textile machinery requiring high reliability. The manufacturer offers a Standard 12-month warranty extendable up to 18 months through authorized Jinyu distributors. OEM solutions available.
Delivery Time
- For in-stock own-brand bearings, Dalian JinYu HuaYang guarantees shipment arrangement within 3–5 days after payment confirmation.
- For OEM/ODM orders, the production and delivery lead time for a full container typically ranges from 20–35 days (depending on order complexity).
Shipping Methods
Ocean Freight/Land Transport
Warranty
We provide 12-month warranty, extendable to 18 months via authorized JinYu distributors.
Pricing Information
Bearing prices vary by precision grade, raw material quality, and market dynamics. For customized quotes, please submit an inquiry via our contact form.