Thrust Self-aligning Roller Bearing
6300-2z 6301-2z 6302-2z 6303-2z High-Speed Ball Bearings
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

6300-2z 6301-2z 6302-2z 6303-2z High-Speed Ball Bearings

Keep your machinery running smoothly with high-performance High-Speed Ball Bearings designed to reduce friction and extend equipment life. Our 6300-2z, 6301-2z, 6302-2z, and 6303-2z models deliver reliable precision, ensuring consistent operation even under demanding conditions.

  • Precision ratings from P0 to P2 for tailored performance in various applications
  • Double-row design enhances load capacity and stability during high-speed rotations
  • Made with durable Bearing Steel for long-lasting durability and minimal maintenance

Technical Specifications
Product Name
6300-2z 6301-2z 6302-2z 6303-2z High-Speed Ball Bearings
Category
Thrust Self-aligning Roller 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.

Product Specifications

Parameter Details
Model Number 22234
Precision Rating P0, P6, P5, P4, P2
Clearance C0, C3, C4
Material Bearing Steel
Bearing Type Double Row Roller Bearings
Load Direction Radial Bearing
Separated Unseparated
Outer Dimension 50-2500
Specification 170*310*86mm
Origin China
HS Code 8482300000

Application Suitability

Industry Typical Applications
Engineering Machinery Heavy-duty pivot points, gearbox assemblies
Steel Metallurgy Rolling mill equipment, conveyor systems
Mining Crusher components, screening machinery
Automation High-torque rotary systems

Struggling with Bearing Selection? 6300-2z Series High-Speed Ball Bearings Deliver Reliability

Finding the right bearing for high-speed applications often means sorting through countless models with unclear specifications. Many buyers face unexpected downtime when bearings fail prematurely due to poor material quality or incorrect clearance. Sourcing from multiple suppliers for different brands only adds complexity to your procurement process.

Engineered for High-Speed Performance and Versatility

The 6300-2z, 6301-2z, 6302-2z, and 6303-2z high-speed ball bearings address these challenges with precision-engineered design. Our ISO 9001 certified production ensures consistent quality, while our extensive inventory includes both our own BDL brand and major international models. Whether you need bearings for electric motors, pumps, or textile machinery, we provide the right fit without the hassle of multiple vendor relationships.

Optimal Performance in Demanding Rotational Applications

These bearings excel in high-speed rotational environments where radial load capacity and smooth operation are critical. With double rubber seals (2z), they maintain lubrication integrity and prevent contamination in temperatures ranging from standard industrial conditions to moderate heat. The precision rating options (P0 to P2) allow customization for applications requiring tight tolerance control, from general machinery to precision equipment.

Key Engineering Features for Long-Term Reliability

Bearing steel construction provides the hardness (HRC 58-62) needed to withstand cyclic loading and reduce wear over time. The double row design enhances radial load capacity compared to single row alternatives, making these bearings suitable for higher load applications. Clearance options (C0, C3, C4) accommodate thermal expansion in high-speed operations, preventing premature failure from internal stress. Each bearing undergoes dimensional and surface finish testing to ensure interchangeability with international standards.

Why Proper Bearing Selection Lowers Total Cost of Ownership

Choosing the right bearing directly impacts your equipment’s uptime and maintenance costs. Inferior bearings with substandard precision can cause vibration, noise, and early failure, leading to unplanned production stops. Our 6300-2z series bearings, with their robust construction and quality testing, minimize these risks. By selecting the appropriate clearance and precision class upfront, you reduce the need for frequent replacements and extend the service life of your machinery—ultimately lowering long-term costs more effectively than choosing the cheapest option.

Quality You Can Rely On

Our production process adheres to ISO 9001 standards, with raw material inspections and finished product testing for dimensions, hardness, and surface treatment. We offer a warranty against manufacturing defects, ensuring you receive bearings that meet specifications. With our comprehensive sourcing network, we can supply both our BDL brand and other major brands as required, all through a single point of contact. Our ready inventory supports quick delivery, so you can minimize downtime and keep your operations running smoothly.

Packaging & Shipping

  • Standard packaging: Carton and pallet for secure transportation
  • Prompt dispatch: Available from stock for quick delivery
  • Flexible logistics: Options include express courier, air freight, and sea shipping
  • Low minimum order quantity: Supports both small-scale trials and large production runs

Get a Quote for Your 6300-2z Series Bearing Requirements

Whether you need specific models from the 6300-2z series or other bearing types, provide us with your required model numbers, dimensions, and quantity. Our team will respond promptly with pricing and availability. The sooner you confirm your needs, the sooner we can arrange shipment to keep your operations on track.

Frequently Asked Questions

Q: Do you supply bearings from other brands besides BDL?

A: Yes, we support procurement of all major international and domestic brands. Specify your preferred brand, and we will source accordingly.

Q: How can I ensure the bearing fits my equipment?

A: Provide the required dimensions (inner diameter, outer diameter, width) or model number, and our technical team will verify compatibility with standard specifications.

Q: What is your warranty policy?

A: We offer a warranty against manufacturing defects. Specific terms are detailed in our sales contract, with coverage for replacement or refund in case of quality issues.

Q: What is the minimum order quantity?

A: We accept low minimum orders, including small quantities for testing or emergency replacements.

Q: How long does shipping take?

A: In-stock items ship within 1-3 business days. Delivery time depends on your location and chosen shipping method (courier, air, or sea).

Q: Can you customize bearings to specific requirements?

A: Yes, we offer OEM/ODM services for custom bearings based on your drawings or technical specifications.

Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us today

Wind Power

Main shaft, gearbox, and generator bearings for onshore and offshore wind turbines. Engineered for 20+ year service life.

Mining & Heavy Industry

Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.

Steel & Metallurgy

Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.

Automotive & EV

Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.

Precision Machinery

Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.

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

-- Get In Touch

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.

Product Inquiry Form

Regarding: 6300-2z 6301-2z 6302-2z 6303-2z High-Speed Ball Bearings

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

SKF Authorized Engineering Partner

Need technical support or a custom solution?

15+ certified engineers ready to help. Response within 24 hours.