High Precision Tapered Roller Bearing BDL 31311, 33213, 33013, 33116, 32912 for Sports & Office Equipment
Basic Info
| Bore Size | 15–240 mm |
| Outer Dimension | 35–400 mm |
| Specification | 60×130×48.5 mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
Introduction
High-performance tapered roller bearing for radial load applications. Made of premium bearing steel with precision grades from P0 to P2. Suitable for OEM/ODM use. Lubricated with grease or oil. Compliant with HS Code 8482200000. Origin: China.
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Description
High Precision Tapered Roller Bearings – BDL 31311, 33213, 33013, 33116, 32912
| Description | Key Benefit |
|---|---|
| Model Range: 31311 / 33213 / 33013 / 33116 / 32912 | Multi-standard compatibility for global OEM replacements |
| Bore Size: 15–240 mm | OD: 35–400 mm | Wide dimensional coverage — fits sports & office equipment shafts precisely |
| Precision Grades: P0, P6, P5, P4, P2 | Ultra-low runout & noise — ideal for high-speed precision applications |
| Vibration Levels: Z1V1 to Z3V3 | Guaranteed smooth operation — critical for quiet office machinery & fitness gear |
| Material: High-Carbon Chromium Bearing Steel (GCr15) | Superior hardness & fatigue resistance — 2× lifespan vs. standard grade |
| Lubrication: Grease or Oil Compatible | Flexible maintenance — pre-lubricated options available for sealed assemblies |
| Separated Design | Easy installation & service — reduces downtime in compact equipment |
| Non-Aligning, Radial-Load Optimized | Stable axial rigidity — perfect for treadmill drive trains & ergonomic chairs |
| OEM/ODM Support + ISO/TS 16949 Certified | Full traceability & batch testing — meets SKF-tier quality expectations |
| Made in China | HS Code 8482200000 | Carton/Pallet Shipping | Fast lead time & export-ready documentation — no customs delays |
Why BDL Outperforms Generic Tapered Rollers: Unlike budget alternatives, BDL bearings feature micro-ground raceways, strict preload control, and 100% vibration screening — delivering SKF-equivalent performance at 30% lower cost. Tested in real-world gym equipment and adjustable desks for >10,000 hours MTBF.
FAQ: Q: Are these interchangeable with SKF 31311 or NTN 33213? A: Yes — identical ABEC/DIN/ISO dimensions & load ratings. Q: Can I get custom cages or seals? A: Yes — polymer, brass, or steel cages; contact us for IP54/IP65 sealing options. Q: Do you supply test reports? A: Yes — every batch includes dimensional, hardness, and vibration certificates.
Ready to upgrade reliability without premium pricing? Send your inquiry now — we’ll respond within 2 business hours with bearing specs, samples, and volume pricing.
