7244B/DB Bearing Overview
Image for reference only.
Core Parameters
- Main Dimensions 220mm × 400mm × 130mm
- Dynamic Load (Cr) 505 kN
- Static Load (Cor) 910 kN
- Weight 70.6 kg
Bearing Type
| ID | 220 mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 400 mm | Outside diameter(O.D.) |
| 2B | 130 mm | Width |
| r12 | 4 mm | Outer ring chamfer |
| r34 | 1.5 mm | Inner ring chamfer |
| Grease speed | 900 r/min | Limiting speed (grease lubrication) |
| Oil speed | 1200 r/min | Limiting speed(oil lubrication) |
| Cr | 505 kN | Radial dynamic load rating |
| Cor | 910 kN | Radial static load rating |
| Mass | 70.6 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: 7244B/DB) with a standard contact angle of 40° are designed to handle combined radial and axial loads effectively. ideal for heavy axial loads and high stiffness requirements. The bearing has a bore diameter of 220mm, outer diameter of 400mm, and width of 130mm. With fillet radii of 4mm (r12) and 1.5mm (r34), it ensures smooth operation and structural integrity. It offers a dynamic load capacity of 505kN and static load capacity of 910kN. Suitable for high-speed applications, it has a limiting speed of 900 r/min (grease lubrication) and 1200 r/min (oil lubrication), with a weight of 70.6 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.