Carbon Steel Deep Groove Ball Bearings
Product Overview
Carbon steel deep groove ball bearings are standard rolling bearings for general machinery and rotating equipment. The product range includes commonly used deep groove ball bearing series such as the 6200 series, with Open, ZZ metal-shielded, and 2RS rubber-sealed configurations.
For applicable models, the bearing components are manufactured from GCr15 bearing steel, with a listed material hardness of approximately HRC 58–62.
The bearings are primarily designed to carry radial loads and can also accommodate a certain amount of axial load in both directions under normal operating conditions.
Typical applications include household equipment, small machinery, electric motors, power tools, conveyors, fans, pumps, and other rotating equipment.
Product Specifications
| Parameter | Specification | |||
| One | Bearing Type | Deep Groove Ball Bearing | ||
| Two | Product | Carbon Steel Deep Groove Ball Bearing | ||
| Three | Standard Series | 6200 series and other deep groove ball bearing series | ||
| Four | Material | GCr15 bearing steel for applicable models | ||
| Five | Hardness | HRC 58–62 for applicable specifications | ||
| Six | Seal Type | Open / ZZ / 2RS | ||
| Seven | Bore Diameter (d) | According to bearing model | ||
| Eight | Outside Diameter (D) | According to bearing model | ||
| Nine | Width (B) | According to bearing model | ||
| Ten | Dynamic Load Rating (Cr) | According to bearing model | ||
| Eleven | Static Load Rating (Cor) | According to bearing model | ||
| Twelve | Internal Clearance | According to bearing model | ||
| Thirteen | Limiting Speed | Up to 18,000 r/min for listed specifications | ||
| Fourteen | Operating Temperature | Approx. -20°C to 120°C for listed specifications | ||
| Fifteen | Noise Level | Below 45 dB under specified conditions | ||
| Sixteen | Lubrication | Grease / Oil | ||
| Seventeen | Customization | Selected non-standard requirements available |
Material and Component Manufacturing
For applicable models, GCr15 bearing steel is used for bearing components. The listed material hardness is approximately HRC 58–62.
The bearing rings and rolling elements are processed through turning, heat treatment, grinding, assembly, and final inspection.
The raceways and rolling elements are precision processed to control dimensional and surface quality and to provide the required running condition between the balls and raceways.
The main manufacturing processes include:
• CNC turning
• Heat treatment
• Centerless grinding
• Grinding
• Assembly
Sealing Configurations
The carbon steel deep groove ball bearings are available in three main configurations:
• Open: No external sealing or shielding; suitable for applications where regular lubrication can be maintained and the working environment is relatively clean.
• ZZ: Metal shields on both sides for basic protection against dust and to help retain lubricant inside the bearing.
• 2RS: Rubber seals on both sides for protection against dust and general contaminants.
The sealing configuration should be selected according to the working environment, rotational speed, temperature, and lubrication requirements.
Manufacturing Process
Main Processes
The production process for carbon steel deep groove ball bearings includes component machining, heat treatment, grinding, assembly, and final inspection.
CNC Turning
Bearing rings are turned to the required basic dimensions before subsequent heat treatment and grinding processes.
01
Heat Treatment
Bearing steel components are heat-treated according to the applicable production specification to obtain the required material hardness.
02
Centerless Grinding and Grinding
Grinding processes are used to control the dimensions and surface condition of the bearing components and raceways.
03
Assembly
The processed rings, rolling elements, cages, and applicable seals are assembled according to the bearing configuration.
04
Efficient after-sales service
Completed bearings are inspected according to the specified product requirements before shipment.
05
Quality Control and Inspection
Quality control covers the key manufacturing and inspection stages from component processing to final bearing inspection.
Main inspection and control items include:
• Dimensional inspection
• Surface condition inspection
• Hardness inspection
• Visual inspection
• Internal clearance inspection according to specification
• Running and rotational condition inspection
• Final inspection
Visual inspection systems are used as part of the production inspection process. Inspection requirements are applied according to the bearing model and applicable product specification.
For repeated orders, the confirmed product specifications and production requirements can be maintained according to the applicable bearing model.
Performance and Operating Parameters
For the currently listed carbon steel deep groove ball bearing specifications, the reference limiting speed is up to 18,000 r/min.
The applicable operating temperature range is approximately -20°C to 120°C for the listed specifications.
The listed noise level is below 45 dB under specified test conditions.
The actual limiting speed, temperature range, noise level, load capacity, and other performance parameters depend on the specific bearing model, internal clearance, sealing configuration, lubrication, load, installation condition, and operating environment.
Available Bearing Sizes and Configurations
Available bearing specifications are determined by the bearing series and model. The main dimensional parameters are:
Bore diameter (d)
Outside diameter (D)
Width (B)
Dynamic load rating (Cr)
Static load rating (Cor)
Internal clearance
Sealing configuration
Limiting speed
The 6200 series and other standard deep groove ball bearing series are available according to the required shaft diameter, housing dimensions, and bearing application.
For bearing replacement, the existing bearing model, dimensions, sample, or equipment drawing can be provided to confirm the corresponding specification.
Supply and Customization
We can supply different bearing specifications according to customer requirements, including standard models and selected non-standard requirements.
Available product and supply options include:
Different bearing sizes
6200 series and other standard series
Open / ZZ / 2RS configurations
GCr15 bearing steel for applicable models
Grease or oil lubrication
Selected non-standard specifications
Customer-specified packaging and labeling
Multiple bearing specifications within one order
For OEM and customized requirements, customers can provide the bearing model, dimensions, equipment drawing, sample, shaft and housing dimensions, operating speed, load, temperature, and working environment.
These details are used to confirm the bearing dimensions, material, sealing configuration, internal clearance, lubrication, and other applicable specifications before production.
Ordering Information
For standard or replacement bearings, the following information can be used to confirm the required product:
Bearing Model → d × D × B → Cr / Cor → Clearance → Seal Type → Speed → Lubrication
If the complete bearing model is unavailable, the existing bearing dimensions, sample, or equipment drawing can be provided for specification confirmation.
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