Ball Bearings
Deep Groove Ball Bearing
BOM manufactures deep groove ball bearings across the full standard series range — 6000, 6200, 6300, 6400, and 61000 — in open, shielded, and sealed configurations. These bearings handle combined radial and axial loads with low friction and high-speed capability, serving electric motors, gearboxes, pumps, and precision automation equipment. Full-specification custom manufacturing is available, including non-standard dimensions, special materials, and integrated bearing assemblies.
Key Features
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Combined Radial and Axial Load Capacity
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High-Speed Capability Across All Series
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Five Standard Series for Graduated Load Requirements
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Open, Shielded, and Sealed Configurations
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Integrated Bearing Assembly Manufacturing
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Full-Specification Custom Manufacturing Available
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Description
Reviews
6000 Series – Standard Deep Groove Ball Bearing
Versatile Customizable
6000 series is the most widely used deep groove ball bearing, offering an excellent balance of load capacity, speed, and compact design for general-purpose applications.
- Load Type: Radial loads with moderate bidirectional axial capacity
- Speed Capability: High-speed rated, suited for motors, spindles, and precision drives
- Cross-Section: Most compact section, minimizing weight and occupied envelope
- Seal Options: Open, shielded, and sealed configurations for different operating environments
- Customization: Full-specification custom manufacturing available, covering dimensions, materials, coatings, and bearing structure
6200 Series – Light Deep Groove Ball Bearing
Higher Load Capacity Customizable
6200 series features a larger cross-section than the 6000 series, providing higher radial and axial load capacity while remaining a versatile choice for a broad range of industrial applications.
- Load Type: Higher radial and axial load capacity than 6000 series for the same bore
- Cross-Section: Larger section accommodates greater ball size and heavier load ratings
- Balance: Optimal balance between load capacity, speed, and compactness for general industrial use
- Seal Options: Open, shielded, and sealed configurations for different operating environments
- Application Fit: Gearboxes, pumps, electric motors, and general industrial machinery
6300 Series – Medium Deep Groove Ball Bearing
Heavy Duty Customizable
6300 series features heavier race geometry and a larger ball complement, providing greater radial, thrust, and combined load capacities for demanding heavy-duty industrial applications.
- Load Type: High radial load capacity, significantly higher than 6000/6200 for the same bore
- Durability: Heavier race geometry for extended service life under demanding loads
- Industrial Grade: Designed for continuous heavy-duty operation in harsh environments
- Seal Options: Open, shielded, and sealed configurations for different operating environments
- Application Fit: Heavy-duty industrial gearboxes, conveyors, and high-load drive systems
6400 Series – Heavy Deep Groove Ball Bearing
Maximum Load Customizable
6400 series is the heaviest standard deep groove ball bearing series, engineered for extreme-load applications where standard cross-sections cannot meet radial load demands.
- Load Type: Maximum radial load capacity among all standard deep groove ball bearing series
- Construction: Extra-heavy cross-section with maximum ball size for superior load density
- Strength: Engineered for extreme-load conditions where lighter sections are insufficient
- Durability: Extended fatigue life under high radial shock and sustained heavy loads
- Application Fit: Heavy-duty gearboxes, rolling mills, industrial drives, and shock-loaded machinery
- Customization: Full-specification custom manufacturing available, covering dimensions, materials, coatings, and bearing structure
61000 Series – Thin-Section Deep Groove Ball Bearing
Space-Saving Customizable
61000 series thin-section deep groove ball bearings minimize radial cross-section to free envelope space and reduce rotating mass, without sacrificing load capacity or reliability.
- Design Priority: Minimum radial section, maximizing available space without sacrificing reliability
- Weight Reduction: Significantly lower rotating mass, critical in weight-sensitive and inertia-sensitive designs
- Speed: High rotational speed capability enabled by reduced rotating mass
- Application Fit: Industrial robots, medical equipment, aerospace structures, and semiconductor machinery
- Customization: Full-specification custom manufacturing available, covering dimensions, materials, coatings, and bearing structure
Deep Groove Ball Bearings: Dimensions & Load Ratings
6800 · 6900 · 6000 · 6200 · 6300 · 6400 series | Boundary dimensions per ISO 15 | Bore 10 mm to 120 mm | Contact us for sizes not listed
| Designation |
d mm |
D mm |
B mm |
Cr kN |
C0r kN |
Speed rpm |
|---|
Custom Deep Groove Ball Bearing Manufacturing
Integrated Assemblies Engineering Support
Beyond standard catalog sizes, BOM Bearing designs and manufactures custom deep groove ball bearing solutions, including integrated assemblies where the bearing and its mating components are produced as a single precision unit. This eliminates assembly errors and delivers a more compact, higher-performing module.
- Integrated Assemblies: Bearing combined with shaft sleeve, housing, or mounting flange as one unit, delivering more compact structure, smaller envelope, and higher load capacity than separately assembled components
- Precision Advantage: One-piece machining eliminates assembly stack-up errors between bearing rings and mating parts, delivering combined accuracy that cannot be matched by bolting separate components together
- Dimension Customization: Non-standard bore, OD, width, and inch dimensions outside catalog ranges
- Material & Treatment: Special steels, stainless steel, ceramic rolling elements, custom coatings and heat treatments for corrosive, high-temperature, or electrically insulating environments
- Sealing & Lubrication: Custom seal types, lubricant specifications, and operating temperature ranges for application-specific requirements
- Customization: Full-specification custom manufacturing available, covering dimensions, materials, coatings, and bearing structure
Applications
Electric Motors & Generators
The most widely used bearing in electric motors, providing low friction, quiet operation, and long service life for continuous rotation.
Gearboxes & Power Transmission
Precision support for gear shafts ensuring efficient power transfer, smooth rotation, and minimal energy loss in transmission systems.
Industrial Robots & Automation
Compact cross-section and high-precision grades make deep groove ball bearings ideal for robotic joint drives, servo motor shafts, and automated assembly systems requiring accurate, low-noise operation.
Pumps, Compressors & Conveyors
Robust bearing solutions for fluid handling equipment and material transport systems operating under continuous radial and axial loads.
About BOM Bearing
BOM Bearing is a professional manufacturer of high-quality deep groove ball bearings, delivering reliable and cost-effective solutions for industrial applications worldwide.
- Quality Assurance: ISO 9001, IATF 16949, and ISO 14001 certified; quality and environmental standards validated at every production stage
- Full Series Coverage: Complete range of standard series in open, shielded, and sealed configurations for diverse operating environments
- Custom Manufacturing: Full-specification customization from non-standard dimensions and alternative materials to specialized coatings and complete bearing architecture redesign, engineered to your exact requirement
- Technical Support: Professional engineering team for product selection, application analysis, and troubleshooting
- Fast Delivery: Efficient production lines and global logistics network ensuring timely delivery
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Frequently Asked Questions (FAQ)
What is the difference between the 6000, 6200, and 6300 series?
They differ mainly in cross-section size and load capacity for the same bore diameter. The 6000 series is the most compact, 6200 offers higher load capacity with a slightly larger OD, and 6300 provides the heaviest load capacity with the largest cross-section. The dimension table above shows all three series side by side for each bore size, making it easy to compare options for your application.
Should I choose shielded (ZZ) or sealed (sealed) bearings?
Shielded (ZZ) bearings use non-contact metal shields with lower friction, suitable for high-speed and clean environments. Sealed (sealed) bearings use rubber contact seals for superior dust and moisture protection, ideal for harsh or contaminated environments. Sealed bearings have a lower speed rating (50–60% of open type).
Can deep groove ball bearings handle axial loads?
Yes, deep groove ball bearings can accommodate both radial loads and moderate axial loads in both directions, thanks to their deep raceway grooves. However, for heavy axial loads, angular contact ball bearings or thrust bearings are recommended.
What clearance grade should I select (C2, CN, C3, C4)?
CN (Normal) is the standard clearance for most applications. C3 (greater than normal) is recommended for high-temperature environments or tight interference fits. C2 (less than normal) is used for precision applications with minimal play. C4 is for extreme temperature differentials.
Can BOM provide custom deep groove ball bearings?
Yes. Standard customization includes special dimensions, precision grades (P0 through P4), internal clearance classes (C2 to C4), cage materials (pressed steel, brass, polyamide), sealing options, and special surface treatments. Beyond that, we design and manufacture integrated bearing assemblies where the bearing and mating components (shaft sleeve, housing, flange) are machined as a single precision unit. This delivers a more compact structure with higher load capacity, and eliminates assembly stack-up errors for superior combined precision. Contact us to discuss your application.
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