Taper Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Taper Roller Bearing
NSK Tapered Roller Bearing 30303/32303/32904 – High-Precision, Heavy-Duty Conical Bearings
Basic Info
| Inner Diameter | 17 mm |
| Outer Diameter | 47 mm |
| Thickness | 14 mm |
Introduction
High-precision NSK deep groove ball bearings (Model: 30303/32303/32904), made in Japan. Features include long life, high speed, low noise, rich stock, and OEM/ODM service. Rated P0–P2 precision with vibration grades Z1V1–Z3V3. Shipped by sea or air in carton/pallet packaging. HS Code: 8482102000.7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Key Specifications & Benefits of NSK Tapered Roller Bearings (30303 / 32303 / 32904)
| Description | Core Value |
|---|---|
| Model Range | Interchangeable high-precision variants: 30303 (17×47×14 mm), 32303, 32904 — ideal for cross-replacement and inventory flexibility |
| Precision Grades | P0 to P2 — meets ISO ABEC-1 to ABEC-9 standards; P5/P4 ideal for CNC spindles & precision gearboxes |
| Vibration Control | Z1V1–Z3V3 certified — ultra-low vibration for quiet, stable operation in high-speed machinery |
| Performance Traits | Engineered for long life + high speed + low noise — reduces maintenance cost & downtime |
| Origin & Quality | Made in Japan under strict NSK QA — JIS B 1514 compliant with full traceability |
| Stock & Lead Time | Rich ready stock — same-day dispatch available; no waiting for critical OEM projects |
| OEM/ODM Support | Custom labeling, packaging, and spec adjustments — seamless integration into your brand |
| Application Scope | Widely used in automotive differentials, industrial reducers, agricultural equipment, and wind turbine yaw systems |
| HS Code & Compliance | 8482102000 — fully export-ready with CE/REACH documentation support |
| Why Choose These Over Generic Brands? | NSK’s proprietary steel heat treatment + optimized contact geometry delivers 35% longer L10 life vs. standard tapered rollers |
FAQ: Are these compatible with SKF mounting dimensions? Yes — all models match ISO 355 dimensional standards. Can they handle combined radial & axial loads? Absolutely — tapered design enables simultaneous high-load capacity in both directions. What’s the max operating temperature? Up to 120°C continuous (with proper lubrication). Do you offer technical drawings? Yes — CAD/PDF files provided upon inquiry.
Ready to specify or request bulk pricing? Contact us now for a fast quote and bearing selection support.
Product Summary
- Product Name
- NSK Tapered Roller Bearing 30303/32303/32904 – High-Precision, Heavy-Duty Conical Bearings
- Category
- Taper Roller Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Taper Roller 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 |
Custom Specifications Available
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.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
Get a custom quote for
NSK Tapered Roller Bearing 30303/32303/32904 – High-Precision, Heavy-Duty Conical Bearings
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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