Bdl 51316/51317/51318/51320 Thrust Ball Bearings – High-Quality, Precision, Load-Optimized
Basic Info
| Inner Diameter | 100 mm |
|---|---|
| Outer Diameter | 170 mm |
| Thickness | 55 mm |
Introduction
BDL 51320 thrust bearing made of high-grade bearing steel, suitable for axial load applications. Features grease or oil lubrication, precision grades P0–P2, vibration levels Z1V1–Z3V3, ISO9001:2008 certified, and ready for OEM/ODM service.
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Description
Key Specifications & Why Engineers Choose BDL 51320 Thrust Ball Bearings
| Description | Core Value |
|---|---|
| Model: 51320 (also compatible with 51316/51317/51318) | Drop-in replacement for SKF 51320 — seamless integration, no redesign needed |
| Dimensions: 100×170×55 mm | Optimized axial load capacity (Ca = 245 kN) for heavy-duty thrust applications |
| Precision Grades: P0/P6/P5/P4/P2 | Ultra-precise P4/P2 options available — ideal for high-speed spindles & precision machinery |
| Vibration Classes: Z1V1 to Z3V3 | Low-noise operation — meets strict OEM requirements in CNC and medical equipment |
| Lubrication: Grease or oil | Flexible maintenance — pre-greased for life or field-re-lubricatable via separated design |
| Material: High-purity bearing steel | Enhanced fatigue life & corrosion resistance vs. standard SAE 52100 |
| Certification: ISO 9001:2008 | Consistent batch-to-batch quality — backed by full traceability & test reports |
| Non-aligning, single-row thrust design | Pure axial load handling — zero radial misalignment risk in vertical shafts |
| Origin: China (HS Code 8482102000) | Cost-efficient without compromise — 30% lower TCO vs. premium brands, same performance |
| OEM/ODM support + in-stock availability | Fast lead time (≤3 days) — critical for MRO and urgent production line needs |
Used in hydraulic turbines, crane turntables, vertical pumps, and gearmotor thrust supports — where reliability under constant axial load is non-negotiable. Unlike generic thrust bearings, BDL 51320 features tighter raceway geometry control and optimized ball groove curvature for 22% higher dynamic load rating. FAQ: Yes — interchangeable with SKF 51320 per ABEC-1/ISO P0 tolerances; yes — custom packaging & branding supported; yes — sample batches available with full dimensional & vibration test data. Ready to verify fit, pricing, or request a technical datasheet? Send your inquiry now.
