Deep Groove Ball Bearing
6300 Deep Groove Ball Bearing 10x35x11mm Genuine Authorized Supplier
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

6300 Deep Groove Ball Bearing 10x35x11mm Genuine Authorized Supplier

6300 Deep Groove Ball Bearing 10×35×11 mm — Gcr15 chrome steel construction with ABEC-1 standard precision for smooth, low-friction operation across electric motors, pumps, and industrial gearboxes.

  • Supplied with full manufacturer batch traceability and lot-level documentation for every shipment

Technical Specifications
Product Name
6300 Deep Groove Ball Bearing 10x35x11mm Genuine Authorized Supplier
Category
Deep Groove Ball Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable

15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

Multi-Brand Authorized Coverage — Source your 6300 deep groove ball bearing alongside other major international brands in a single consolidated shipment without juggling multiple vendors.

Technical Specifications

Parameter Value
Designation 6300
Bearing Type Deep Groove Ball Bearing
Bore Diameter (d) 10 mm
Outside Diameter (D) 35 mm
Width (B) 11 mm
Material Available in Chrome Steel Gcr15 variants
Seal or Shield Type Open, ZZ, or 2RS
Clearance Class CN Standard, C3 Optional
Precision Class ABEC-1 Standard
Customization Available

Application Suitability

Industry Typical Applications
Electric Motors Rotor shaft support in fractional horsepower motors
Industrial Gearboxes High-speed input shaft bearing arrangements
Material Handling Conveyor roller idler end caps and pulley supports
Pumps and Fans Centrifugal pump impeller shafts and blower assemblies

Why Base Number Matches Still Cause 6300 Deep Groove Ball Bearing Failures

Matching the base designation while ignoring internal clearance and seal suffixes is the primary driver of premature field failures.

Sourcing teams often approve replacements based solely on the base 6300 number, overlooking critical suffix variations. During my field service years in African mining operations, I repeatedly investigated motor shutdowns caused by thermal binding. The root cause was almost always a standard clearance bearing installed in an application that demanded extra internal clearance to accommodate thermal expansion [NEED_CITE: thermal expansion effects on bearing internal clearance]. When a standard 6300 deep groove ball bearing is forced into a high-temperature motor environment without the correct C3 clearance, the rolling elements bind, leading to catastrophic cage failure and unplanned downtime.

6300 deep groove ball bearing cross-section showing internal clearance and seal options

Matching the 6300 Deep Groove Ball Bearing to Your Operating Environment

Selecting the right variant requires looking beyond the basic 10x35x11mm dimensions to evaluate the actual operating environment. Our technical team reviews your specific load, speed, and temperature parameters to ensure the selected 6300 deep groove ball bearing features the correct seal type and internal clearance. This application-based selection review prevents the common mistake of installing open or shielded variants in heavily contaminated zones where contact seals are strictly required.

Navigating Thermal and Contamination Challenges

Rotational equipment generates internal heat that directly impacts the operational clearance of the bearing. If the ambient temperature is elevated or the motor runs at high speeds, a standard CN clearance will diminish to zero, causing excessive friction and rapid degradation [NEED_CITE: rolling bearing failure mode classification per ISO 15243]. Furthermore, environments with fine particulate matter demand 2RS contact seals to prevent abrasive ingress, whereas clean, high-speed gearboxes benefit from the lower friction of ZZ metal shields. Balancing these sealing friction penalties against contamination protection is critical for maximizing service life.

Decoding the Suffix and Specification Matrix

The base designation only defines the boundary dimensions; the suffixes dictate the operational limits. Choosing between Open, ZZ, and 2RS sealing arrangements determines whether the bearing relies on external system lubrication or factory-filled grease, directly impacting maintenance intervals. The optional C3 clearance is not merely an upgrade but a strict requirement for applications involving tight shaft fits or significant thermal gradients, allowing the inner ring to expand without preloading the rolling elements. Meanwhile, the ABEC-1 precision class guarantees the standard dimensional and running accuracy necessary for smooth, low-vibration operation in general industrial machinery. Available in Chrome Steel Gcr15 variants, the material provides the necessary core hardness and structural integrity for standard radial loads.

Chrome Steel Gcr15 material options and sealing arrangements for deep groove ball bearings

The Hidden Costs of Incorrect Suffix Selection

Installing a bearing with mismatched internal geometry or inappropriate sealing leads to a cascade of secondary equipment damage. According to the failure analysis frameworks outlined in ISO 15243, improper clearance selection frequently manifests as smearing on the raceways and severe cage wear [NEED_CITE: bearing damage classification per ISO 15243]. These localized failures quickly escalate into complete seizure, destroying adjacent shafts and housings. The resulting unplanned downtime and warranty voidance far exceed the initial procurement savings of ignoring precise suffix requirements.

Why Procurement Engineers Trust Our Technical Review

We provide authorized distribution across all major international brands, meaning your mixed-brand MRO requirements are fulfilled through a single, verified supply chain. Our cross-reference process strictly aligns the base designation, internal clearance, and seal type simultaneously, preventing the dangerous substitution of a CN clearance unit where a C3 is specified. Every shipment includes batch traceability verified through official brand applications, eliminating the risk of counterfeit components with cloned QR codes. Furthermore, our pre-shipment dimensional and running accuracy inspections ensure that the ABEC-1 tolerances are fully met before the components leave our facility.

Documentation & Authenticity

  • Certificate of Conformity validating the specific 6300 designation and suffix configuration.
  • Manufacturer batch and lot traceability linked directly to the production run.
  • Official brand QR verification codes for immediate authenticity checks via mobile apps.
  • Material test reports confirming the metallurgical properties of the Chrome Steel Gcr15 rings.
  • Dimensional and running accuracy inspection reports verifying ABEC-1 tolerances prior to dispatch.
  • Country-of-origin documentation to support customs clearance and regional compliance.

Storage, Handling & Mounting

  • Retain the original vapor-phase inhibitor packaging until installation to protect the Chrome Steel Gcr15 surfaces from ambient humidity.
  • Store the 2RS sealed variants away from direct UV exposure to prevent premature degradation of the nitrile rubber contact lips.
  • Use induction heaters with automatic demagnetization when mounting the 10mm bore onto tight-tolerance motor shafts.
  • Avoid applying axial mounting forces through the rolling elements to prevent brinelling on the ABEC-1 precision raceways.
  • Keep ZZ shielded units in clean environments during staging, as metal shields cannot prevent the ingress of fine aerosolized contaminants.

Preparing Your Technical Inquiry

To facilitate an accurate cross-reference and L10 life calculation, please provide the specific radial and axial loads, operating speeds, and expected thermal gradients of your equipment. Sharing the exact OEM equipment number or the complete designation currently installed allows our engineering team to verify the required internal clearance and sealing arrangement. This technical data ensures we supply the precise variant needed to maintain your operational reliability.

Frequently Asked Questions

Q: How can I verify the authenticity of the received components?
A: Every unit features a unique traceability code that can be scanned using the official brand mobile applications. This digital verification confirms the manufacturing origin, production batch, and exact suffix configuration, effectively eliminating the risk of counterfeit products with cloned visual markers entering your maintenance inventory.

Q: Why is it critical to distinguish between CN and C3 clearance for this size?
A: Standard CN clearance is suitable for normal operating temperatures, but high-speed motors generate significant internal heat. If a C3 clearance is required to accommodate thermal expansion of the inner ring but a CN variant is installed instead, the internal clearance vanishes, leading to excessive friction, thermal binding, and rapid catastrophic failure.

Q: What are the operational differences between ZZ shields and 2RS seals?
A: ZZ metal shields provide basic dust protection with minimal friction, making them ideal for high-speed, clean environments. In contrast, 2RS rubber contact seals offer superior exclusion of moisture and fine particulates but generate slightly higher friction, making them the mandatory choice for contaminated environments like conveyors or agricultural pumps.

Q: How does ABEC-1 precision compare to standard industrial requirements?
A: ABEC-1 defines the standard tolerance class for dimensional and running accuracy in general industrial applications. It ensures smooth, low-noise operation for typical electric motors and gearboxes without the unnecessary cost premium associated with higher precision classes required exclusively for high-speed machine tool spindles.

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Steel & Metallurgy

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Automotive & EV

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Precision Machinery

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General Industrial

Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.

01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.

Performance Metrics

35%

Failures Prevented

70%

Downtime Reduction

25+

Years Experience

24h

Quote Response

78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.

Free samples available for orders over $50K

Validated against your KPIs before full production commitment.

Contact Engineering Team

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Request a Technical Consultation & Quote

Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.

Address

No. 377 Bansongyuan Road, Huangpu District, Shanghai, China

Free Sample Program

Orders over $50K qualify for free product samples

Test against your KPIs before full production commitment. Ask our engineers for details.

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ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

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