Ball Bearing

Deep Groove Ball Bearing 6300 6301 6302 6304 6305 Zz 2RS for Roller Skates High Speed Low Noise

SKU: e2951c58acd3 In Stock

Glide smoothly and quietly with high-performance Deep Groove Ball Bearing designed for roller skates, delivering the speed and reliability you need for every ride. Crafted from premium bearing steel with precision ratings up to P4 and noise grades as low as Z4, these 6300, 6301, 6302, 6304, and 6305 series bearings (available in Zz and 2RS seals) ensure long-lasting performance even under intense use.

  • High-speed capability reduces friction for effortless acceleration, while low noise design keeps your focus on the ride, not distractions
  • Sealed options (Zz/2RS) protect against dust and moisture, solving common issues with premature wear in active environments
  • Rich stock availability means quick delivery—get your skates rolling again without long waits
Wholesale Price (FOB)
¥1.50
MOQ: 1 Piece • Bulk discounts available on inquiry
12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Product Specifications

Parameter Details
Model NO. 6300, 6301, 6302, 6304, 6305
Outer Dimension Medium and Large (120-190mm)
Material Bearing Steel
Spherical Non-Aligning Bearings
Load Direction Radial Bearing
Separated Unseparated
Lubrication Grease or Oil
Precision Rating P0, P6, P5, P4, P2
Vibration Z1V1, Z2V2, Z3V3
Feature Long Life, High Speed, Low Noise
Stock Rich Stocks
Service OEM, ODM
HS Code 8482102000

Application Industries

Industry Typical Equipment
Sports & Recreation Roller Skates, Inline Skates, Skateboards
Industrial Machinery Conveyors, Pumps, Electric Motors
Household Appliances Washing Machines, Fans, Power Tools

Stop Roller Skate Failures: High-Speed Low-Noise Deep Groove Ball Bearings 6300 Series

Skate enthusiasts and manufacturers know the frustration of bearings that seize mid-ride or grow noisy after minimal use. Premature wear not only ruins performance but also risks safety. Sourcing reliable bearings with consistent quality and fast delivery often means choosing between high MOQs or untrustworthy suppliers—until now.

Deep Groove Ball Bearings Engineered for Roller Skates

Our Deep Groove Ball Bearing 6300 series (6300, 6301, 6302, 6304, 6305) solves these pain points with ZZ and 2RS seal options designed for roller skates. As an integrated manufacturer since 2005, we maintain rich stocks for immediate fulfillment, supporting 1pc MOQ for standard items. Whether you need high-speed performance for pro skaters or low-noise operation for recreational use, these bearings deliver consistent results in real-world conditions.

Optimal Performance for High-Speed Applications

Designed for radial loads and high rotational speeds, these bearings excel in roller skates where smooth motion and durability are critical. The precision rating (P0-P4) ensures minimal vibration (Z2-Z4 noise grades), while bearing steel construction resists wear during aggressive use. Whether navigating ramps or long-distance skating, the combination of high speed capability and low noise operation enhances both performance and user experience.

Technical Details That Matter

Three key parameters define these bearings’ performance: precision rating, vibration control, and seal type. Precision grades from P0 (standard) to P4 (high precision) reduce radial runout, ensuring stable rotation at high speeds. Vibration levels Z1V1 to Z3V3 minimize noise, a critical factor for skaters and manufacturers alike. Choose between ZZ (metal shielded) or 2RS (rubber sealed) options—ZZ for maximum speed and 2RS for superior dust and moisture protection, extending bearing life in harsh environments.

Why Quality Bearings Reduce Long-Term Costs

Low-quality bearings may cost less upfront, but they fail quickly, requiring frequent replacements and risking equipment damage. Our bearings, backed by ISO9001 certification and full QC lab testing, offer extended service life, reducing total replacement costs. For roller skate manufacturers, consistent quality means fewer returns and stronger brand reputation. For skaters, reliable performance translates to more time on the track and less time maintaining equipment.

Why Global Buyers Choose Saifan Bearings

With 18 years in the industry, we serve buyers across Europe, America, Southeast Asia, and the Middle East. Our R&D and QC labs ensure each bearing meets strict standards, while ISO14001 certification reflects our commitment to sustainable manufacturing. We offer a 12-month global warranty, free technical guidance, and defect replacement—no fine print. Our flexible order system (1pc MOQ, 3–5 day sample lead time) supports both small repairs and large-scale production, with bulk delivery in 5–15 days.

Packaging & Shipping

  • Carton and pallet packaging for secure transport
  • 3–5 day lead time for samples, 5–15 days for bulk orders
  • Shipping by sea or air, with options for express delivery
  • Real-time logistics tracking provided for all orders
  • 1pc MOQ for standard items, ideal for testing and small batches

Get Your Roller Skate Bearings Today

Don’t let subpar bearings slow you down. Whether you’re a manufacturer needing reliable OEM components or a skater upgrading your setup, we have the bearings you need in stock. Send us your model requirements and quantity, and we’ll provide a quote within 24 hours—so you can get back to smooth, quiet, high-speed rotation.

Frequently Asked Questions

Q: Are these bearings original and traceable?

A: Yes, we manufacture our own bearings to ISO standards and supply authentic NSK/INA bearings, with full traceability through our quality control system.

Q: How do I select the right seal type for my roller skates?

A: ZZ (metal shields) offer higher speed capability, while 2RS (rubber seals) provide better protection against dust and moisture—ideal for outdoor use.

Q: What is the warranty period for these bearings?

A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available.

Q: What is the minimum order quantity?

A: Standard items have a 1pc MOQ, supporting small orders and emergency replacements.

Q: How quickly can I receive my order?

A: Samples ship in 3–5 days, bulk orders in 5–15 days, with expedited shipping options available.

Ready to order or need a quote?
Send your bearing model (6300, 6301, 6302, 6304, 6305), seal type (ZZ/2RS), and quantity—we’ll respond within 24 hours.

Sample Policy

Free samples available for distributors. 3–5 days production lead time.

Bulk Delivery

5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.

Certifications

ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.

After-Sales

12-month warranty plus dedicated technical failure analysis support.

Engineering Insights

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