30680 Bearing Overview
Image for reference only.
Core Parameters
- Main Dimensions 400mm × 500mm × 57mm
- Dynamic Load (Cr) 460 kN
- Static Load (Cor) 950 kN
- Weight 25.1 kg
Bearing Type
Technical Specifications
| ID | 400mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 500mm | Outside diameter(O.D.) |
| B | 57mm | Thickness |
| T | 60mm | Overall Height |
| Cr | 460kN | Radial dynamic load rating |
| Cor | 950kN | Radial static load rating |
| Grease speed | Limiting speed (grease lubrication) | |
| Oil speed | Limiting speed(oil lubrication) | |
| Mass | 25.1Kg | Weight |
Material
GCr15 Bearing Steel (Customizable: GCr15 / GCr15SiMn / GCr18Mo / G20Cr2Ni4A)
Cage
Machined brass cage (Customizable: Steel / Brass / Machined Brass)
Precision Rating
P0 (P0 / P6 / P5 / P4 available)
Clearance
Brand
WJY / OEM Available
Origin
Wafangdian, China (30+ years bearing manufacturing hub)
Quality Standard
OEM & Customization
Custom materials, cages, precision & clearance available.
Product Description
Tapered Roller Bearing 30680 belongs to the 302 Series - Standard (Single Row Tapered Roller Bearing), engineered for medium to heavy-duty radial and single-direction axial load applications. With a bore diameter of 400mm, outer diameter of 500mm, width of 57mm, and assembly height of 60mm, this large-bore bearing is made of high-quality GCr15 steel for excellent durability and wear resistance.
Key features: standard contact angle, balanced load capacity, most widely used. It has a basic dynamic load rating of 460kN and basic static load rating of 950kN, ensuring reliable operation under high load conditions.
Typical Applications: automotive wheel hubs, general machinery
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.