-- SKF Authorized Engineering Partner
Ensure smooth, reliable axial load handling with this high-performance Thrust Ball Bearing, designed to minimize friction and extend equipment lifespan in demanding applications. Crafted from premium Bearing Steel and available in precision ratings P0-P2, it delivers consistent performance whether lubricated with grease or oil.
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| Parameter | Details |
|---|---|
| Model Number | DAC25550045 2RS DAC255600206/29 2RS |
| Bearing Type | Wheel Hub Bearing |
| Separated | Unseparated |
| Rows Number | Double |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Specification | 37*72*37mm |
| Origin | China |
| HS Code | 8482109000 |
| Industry | Typical Applications |
|---|---|
| Automotive | Wheel hub assemblies |
Many automotive maintenance teams face frequent downtime due to hub bearing failures—premature wear from poor material quality or imprecise dimensions often leads to costly replacements. Sourcing the right thrust ball bearing across brands like NSK, Timken, or NACHI can also mean juggling multiple suppliers, slowing down repairs.
This NSK Timken NACHI 51304-51311 Thrust Ball Bearing addresses these challenges with a double-row radial design optimized for wheel hub applications. Our ISO 9001-certified production ensures each unit meets strict dimensional tolerances (37*72*37mm) and material standards, while our extensive inventory includes both leading international brands and reliable domestic options for quick turnaround.
Designed to handle radial loads in automotive wheel hubs, this bearing operates efficiently with either grease or oil lubrication. Its unseparated structure provides stability during high-speed rotation, while precision ratings from P0 to P2 accommodate varying application requirements—from standard passenger vehicles to heavy-duty commercial fleets.
Bearing steel construction ensures high surface hardness and resistance to fatigue, critical for withstanding the repetitive stresses of wheel rotation. The double-row configuration distributes load evenly, reducing stress concentrations that cause early failure. Vibration grades Z1V1 to Z3V3 allow customization based on noise and smoothness requirements, ensuring compatibility with different vehicle models. Precision machining of the 37mm bore and 72mm outer diameter guarantees proper fit, eliminating installation gaps that lead to premature wear.
Choosing a precision-engineered thrust ball bearing minimizes hidden expenses associated with劣质 components. Early bearing failure can damage axle shafts or wheel hubs, doubling repair costs. This bearing’s robust design and material quality extend service intervals, reducing labor hours spent on replacements. Following ISO 281 fatigue life standards, it delivers predictable performance, allowing maintenance teams to schedule service proactively rather than reacting to breakdowns.
Our production and inspection processes adhere to ISO 9001 standards, with raw material testing and finished product checks for dimensions, hardness, and surface treatment. We provide a warranty against manufacturing defects, ensuring peace of mind for your purchases. With access to a wide range of brands—including NSK, Timken, NACHI, and our own BDL brand—we can source or supply the exact bearing specified for your application. In-stock inventory means most orders ship within 24 hours, minimizing downtime.
Whether you need NSK, Timken, NACHI, or another brand, we can supply the 51304-51311 series thrust ball bearing to your specifications. Provide your required model, quantity, and delivery location, and our team will respond with pricing and availability within 2 business hours.
Q: Do you support procurement of other bearing brands or models?
A: Yes, we offer comprehensive sourcing for all major international brands (SKF, NSK, NTN, Koyo, NACHI, IKO, FAG, Timken) and domestic brands, along with custom specifications.
Q: How can I confirm this bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility with the 51304-51311 series.
Q: What is your warranty policy?
A: We provide a warranty against manufacturing defects; specific terms are detailed in each sales contract. Defective products may be returned or replaced at our discretion.
Q: What is the minimum order quantity?
A: We accept small-batch orders with low minimum quantities, making it easy to test or replace individual units.
Q: How quickly can you ship and what transport options are available?
A: In-stock bearings ship within 24 hours. We offer sea freight for bulk orders, air freight for urgent needs, and express courier for small packages.
Q: Do you offer OEM/ODM customization?
A: Yes, we support custom bearing production to your drawings or specifications, including material, dimensions, and lubrication options.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
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Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
Regarding: NSK Timken NACHI 51304-51311 Thrust Ball Bearing
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