NSK 6201/6202/6300 Deep Groove Ball Bearings – Premium Japanese Motorcycle Bearings
Basic Info
| Inner Diameter | 25 mm |
| Outer Diameter | 47 mm |
| Thickness | 12 mm |
| Seals Type | ZZ, 2RS, Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4 |
Introduction
High-precision deep groove ball bearings from KOYO (Japan), model series including 6005–6305. Ideal for OEM/ODM applications with options for various seals, lubrication, and precision grades. Compliant with HS code 8482102000.Why Choose Our Japanese NSK Motorcycle Bearings?
| Description | Key Selling Points |
|---|---|
| Model Range | 6201, 6202, 6300 & more — precision-matched for OEM motorcycle hubs, swingarms, and alternators |
| Sealing Options | ZZ (metal shields), 2RS (rubber seals), or open — optimized for dust/water resistance & low drag |
| Lubrication Ready | Prefilled with high-temp lithium grease; compatible with oil lubrication for racing applications |
| Precision Grades | P0 (standard) to P4 (ultra-precision) — meets JIS B 1514 & ISO ABEC-1 to ABEC-9 specs |
| Vibration Control | Z2V2 / Z3V3 rated — ultra-smooth rotation, critical for high-RPM engine accessories |
| Origin & Craftsmanship | Made in Japan — strict NSK quality control, traceable batch numbers, zero tolerance deviations |
| Dimensional Accuracy | 25×47×12 mm (e.g., 6205) — ±0.005 mm tolerance ensures perfect fit in SKD/SKU assemblies |
| Durability Edge | Hardened GCr15 steel + polished raceways — 30% longer service life vs. generic China-made equivalents |
| OEM/ODM Support | Full documentation, custom packaging, and bearing marking per client spec — trusted by Tier-1 suppliers |
| FAQ: Are these genuine NSK? | Yes — sourced directly from authorized Japanese distributors; each batch includes NSK authenticity verification codes |
Still unsure? Download our free Motorcycle Bearing Compatibility Guide or request a sample batch — contact us now for technical support and fast quote!
- Product Name
- NSK 6201/6202/6300 Deep Groove Ball Bearings – Premium Japanese Motorcycle Bearings
- Category
- Deep Groove Ball Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Deep Groove Ball Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
The engineering partner advantage
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NSK 6201/6202/6300 Deep Groove Ball Bearings – Premium Japanese Motorcycle Bearings
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