51228 Bearing Overview
Image for reference only.
Core Parameters
- Main Dimensions 140mm × 200mm × mm
- Dynamic Load (Cr) 190 kN
- Static Load (Cor) 620 kN
- Weight 4.35 kg
Bearing Type
| Bearing Model | 51228 | |
|---|---|---|
| ID | 140 mm | Inside diameter(I.D.) |
| OD | 200 mm | Outside diameter(O.D.) |
| H | 46 mm | Height/Thickness |
| Cr | 190 kN | Radial dynamic load rating |
| Cor | 620 kN | Radial static load rating |
| Pu | 17.6 kN | Fatigue load limit |
| Reference speed | 1400 r/min | |
| Limiting speed | 1900 r/min | |
| Mass | 4.35 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
The 51 series single direction thrust ball bearing (model: 51228) is designed to handle axial loads in one direction. It features a one-piece solid brass cage and chrome steel (GCr15) construction with carbonitriding treatment for enhanced durability. The bearing has a bore diameter of 140mm, outer diameter of 200mm, and height of 46mm, providing dynamic load capacity of 190kN and static load capacity of 620kN. This bearing is ideal for applications such as machine tool spindles, automotive transmissions, and industrial pumps, particularly suited for medium industrial equipment like gearboxes and agricultural machinery. Compliant with ISO 9001 standards, it supports grease lubrication (with oil lubrication option for high-speed applications) and operates within a temperature range of -30°C to +120°C. During installation, a recommended torque of 80-150 N·m is advised for washer bolts to ensure optimal performance. 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.