C3976MB Bearing Overview
Image for reference only.
Core Parameters
- Main Dimensions 380mm × 520mm × 106mm
- Dynamic Load (Cr) 2120 kN
- Static Load (Cor) 4000 kN
- Weight 65.5 kg
Bearing Type
| Bearing Model | C3976MB width Cylindrical Bore | Inside diameter(I.D.) |
|---|---|---|
| ID | 380mm | Inside diameter(I.D.) |
| OD | 520mm | Outside diameter(O.D.) |
| B | 106mm | Width |
| rmin | 4mm | Minimum chamfer radius |
| Cr | 2120kN | Radial dynamic load rating |
| Cor | 4000kN | Radial static load rating |
| reference | 950r/min | Reference speed |
| limit | 1300r/min | Limiting speed |
| Mass | 65.5Kg | Weight |
Material
GCr15 Bearing Steel (Customizable: GCr15 / GCr15SiMn / GCr18Mo / G20Cr2Ni4A)
Cage
Reinforced machined brass cage (Customizable: Steel / Brass / Machined Brass)
Precision Rating
P0 (P0 / P6 / P5 / P4 available)
Clearance
C3 clearance (C0 / C2 / C3 / C4 / C5 available)
Brand
WJY / OEM Available
Origin
Wafangdian, China (30+ years bearing manufacturing hub)
Quality Standard
OEM & Customization
Custom materials, cages, precision & clearance available.
Product Description
The C3976MB C39 Series CARB Toroidal Roller Bearing is engineered for large bore and low-friction applications. With dimensions of 380mm bore diameter, 520mm outer diameter, and 106mm width, this medium-bore toroidal bearing delivers reliable, low-friction performance in demanding industrial environments. It boasts a dynamic load rating of 2120kN and static load rating of 4000kN, with the unique ability to bear bidirectional axial loads while compensating for misalignment without preload. This bearing is equipped with machined brass solid cage for enhanced operational stability and service life. The CARB toroidal roller bearing designation further optimizes its self-aligning capability and durability.
Ideal for use in: wind turbine gearboxes, large industrial pumps, paper mill machinery, industrial gearboxes, material handling systems, medium-sized mining equipment
Delivery & Service
Delivery Time
In-stock: 3–5 days; OEM/ODM: 20–35 days.
Shipping Methods
Ocean Freight / Land Transport
Warranty
12-month warranty, extendable to 18 months.
Pricing Information
Prices vary by precision & material. Please submit an inquiry for best quote.