C3976MB Bearing Technical Specifications
- Dimensions
-
- Bore Diameter(d) 380 mm
- Outer Diameter (D) 520 mm
- Width(B) 106 mm
- Basic Load Rating
-
- Dynamic Load Rating (Cr) 2120 kN
- Static Load Rating (Cor) 4000 kN
-
- Weight 65.5 kg
- Bearing Model
- C3976MB width Cylindrical Bore
- Bearing Type
- CARB Toroidal Roller Bearings
- Main Dimensions
- 380mm × 520mm × 106mm
| ID | 380 mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 520 mm | Outside diameter(O.D.) |
| B | 106 mm | Width |
| rmin | 4 mm | Minimum chamfer radius |
| Cr | 2120 kN | Radial dynamic load rating |
| Cor | 4000 kN | Radial static load rating |
| reference | 950 r/min | Reference speed |
| limit | 1300 r/min | Limiting speed |
| Mass | 65.5 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 C3976MB 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 2120 kN dynamic and 4000 kN static ratings. With 380 mm bore, 520 mm OD, and 106 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.