7028AC/DF Bearing Overview
Image for reference only.
Core Parameters
- Main Dimensions 140mm × 210mm × 66mm
- Dynamic Load (Cr) 203 kN
- Static Load (Cor) 275 kN
- Weight 6.92 kg
Bearing Type
| ID | 140 mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 210 mm | Outside diameter(O.D.) |
| 2B | 66 mm | Width |
| r12 | 2 mm | Outer ring chamfer |
| r34 | - mm | Inner ring chamfer |
| Grease speed | 3600 r/min | Limiting speed (grease lubrication) |
| Oil speed | 4800 r/min | Limiting speed(oil lubrication) |
| Cr | 203 kN | Radial dynamic load rating |
| Cor | 275 kN | Radial static load rating |
| Mass | 6.92 Kg | Weight |
Cage
Steel cage (Customizable: Steel / Brass / Machined Brass)
Precision Rating
(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
Single Row Angular Contact Ball Bearings (Model: 7028AC/DF) with a standard contact angle of 15° are designed to handle combined radial and axial loads effectively. optimized for high-speed applications with moderate axial loads. The bearing has a bore diameter of 140mm, outer diameter of 210mm, and width of 66mm. With fillet radii of 2mm (r12) and -mm (r34), it ensures smooth operation and structural integrity. It offers a dynamic load capacity of 203kN and static load capacity of 275kN. Suitable for high-speed applications, it has a limiting speed of 3600 r/min (grease lubrication) and 4800 r/min (oil lubrication), with a weight of 6.92 kg. Ideal for precision machine tools, small to medium gearboxes, this bearing provides reliable performance in demanding industrial environments. Manufactured to strict quality standards, it delivers exceptional precision and durability under varying loads. The manufacturer offers a Standard 12-month warranty extendable up to 18 months through authorized Jinyu distributors. OEM solutions available.
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.