Durablec Tapered Roller Bearings BDL 31321/30615/33024 – High-Precision, Low-Noise for Instruments & Sports Equipment
Basic Info
| Bore Size | 15–240 mm |
| Outer Dimension | 35–400 mm |
| Thickness | — |
| Material | Bearing Steel |
| Type | Taper Roller Bearing |
| Lubrication | Grease or Oil |
Introduction
High-precision taper roller bearing for radial load applications. Made of premium bearing steel, available in multiple sizes (bore 15–240 mm, OD 35–400 mm). Supports OEM/ODM service with P0–P2 precision ratings and Z1V1–Z3V3 vibration control. Lubricated with grease or oil; packed in carton/pallet.Key Features & Technical Highlights
| Description | Core Value |
|---|---|
| Tapered roller bearing series (31321/30615/33024/32940/32922) | Precise axial & radial load capacity for high-stiffness applications |
| Bore size: 15–240 mm; OD: 35–400 mm | Wide dimensional range — ideal for custom OEM integration |
| Material: High-grade bearing steel (GCr15 equivalent) | Enhanced fatigue life & dimensional stability under dynamic loads |
| Precision grades: P0, P6, P5, P4, P2 | Meets SKF-level accuracy — critical for instrumentation & sports equipment |
| Vibration classes: Z1V1 to Z3V3 | Ultra-low noise operation — essential for precision instruments |
| Lubrication: Grease or oil compatible | Flexible maintenance & extended service intervals |
| Non-aligning, separated design | Easy assembly/disassembly — reduces downtime in production lines |
| Applications: Medical devices, cycling hubs, gym machines, lab analyzers | Engineered for reliability where vibration control & repeatability matter |
| OEM/ODM support + ISO-certified manufacturing (China) | Trusted quality with full traceability — no counterfeit risk |
| HS Code 8482200000 | Carton/pallet packaging | Seamless global logistics & customs clearance |
Why choose BDL tapered rollers over generic alternatives? Our bearings undergo 100% dimensional inspection, heat-treatment verification, and dynamic run-in testing — unlike standard suppliers. Each batch includes material certs and vibration reports. Compatible with SKF mounting dimensions and performance benchmarks — perfect for drop-in replacement or new designs.
FAQ: Are these interchangeable with SKF 31321? Yes — same ABEC tolerances and load ratings. Do they support high-speed cycling hubs? Confirmed at 12,000 rpm (Z2V2 grade). Is bore surface hardness ≥60 HRC? Yes — verified per ISO 634/1. Need custom cages or seals? Available via ODM.
Ready to validate samples or request a technical datasheet? Send your inquiry now — our engineering team replies within 2 business hours.
- Product Name
- Durablec Tapered Roller Bearings BDL 31321/30615/33024 – High-Precision, Low-Noise for Instruments & Sports Equipment
- Category
- Cylindrical Roller 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 | Cylindrical 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 |
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.
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High-temperature bearings for rolling mills, continuous casting, and furnace applications.
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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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Durablec Tapered Roller Bearings BDL 31321/30615/33024 – High-Precision, Low-Noise for Instruments & Sports Equipment
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