Taper Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Taper Roller Bearing
China BDL HR30318J-321J Tapered Roller Bearings – High-Precision, Heavy-Duty
Basic Info.
| Inner Diameter | 105 mm |
|---|---|
| Outer Diameter | 225 mm |
| Thickness | 53.5 mm |
Introduction
High-precision angular contact ball bearing (Model: HR30321J) with P0–P2 accuracy grades, low noise, high speed and long life. Made in China under BDL brand. Rich stock available. Supports OEM/ODM. 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 BDL HR303 Series Tapered Roller Bearings
| Description | Core Value |
|---|---|
| Model Range (HR30318J–HR30321J) | Interchangeable with SKF 30318–30321, seamless OEM replacement |
| Dimensions (e.g., HR30321J: 105×225×53.5 mm) | Precise ISO/GB tolerances — ensures perfect fit in existing assemblies |
| Precision Ratings (P0 to P2) | Ultra-high P2 option available — ideal for CNC spindles & precision gearboxes |
| Vibration Grades (Z1V1 to Z3V3) | Low-noise operation — meets strict industrial & automotive NVH requirements |
| Long Life & High-Speed Design | Optimized contact geometry + premium steel — 25% longer L10 life vs. standard grade |
| Made in China, BDL Brand | Rigorous 100% inspection — certified to ISO 9001 & IATF 16949 |
| Rich Stock & Fast Dispatch | No wait: HR30321J & others ship within 24h — critical for MRO uptime |
| OEM/ODM Support | Custom marking, packaging, and specs — trusted by Tier-1 automotive suppliers |
| HS Code 8482102000 | Hassle-free global customs clearance — pre-verified for EU, US, SEA markets |
| Applications | Wind turbines, mining conveyors, agricultural gearboxes, railway axles, industrial pumps |
Why choose BDL HR303 over generic alternatives? Superior heat-treated rollers, tighter raceway surface finish (<0.2 μm Ra), and proprietary cage design reduce friction by 18%. All units undergo dynamic balancing and vibration testing — not just static load checks. FAQs: Are these compatible with SKF mounting dimensions? Yes — identical bore/OD/width and load ratings. Do they meet ABEC standards? ABEC-7 equivalent (P4) and ABEC-9 equivalent (P2) available. What’s the max operating temperature? 120°C continuous (with lithium-complex grease). Ready to verify fit or request a sample batch? Send your inquiry now — technical support replies within 2 business hours.
Product Summary
- Product Name
- China BDL HR30318J-321J Tapered Roller Bearings – High-Precision, Heavy-Duty
- 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
China BDL HR30318J-321J Tapered Roller Bearings – High-Precision, Heavy-Duty
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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