Angular Contact Ball Bearing
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TS 16949
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Angular Contact Ball Bearing
Zr12m3-Twd-551 Bearing for Auto AC Compressor – High-Performance OEM Replacement
Basic Info
| Inner Diameter | 40 mm |
|---|---|
| Outer Diameter | 62 mm |
| Thickness | 24 mm |
Introduction
High-precision automobile air conditioning compressor bearing with double-row radial design, made of premium bearing steel. Features long life, high-speed capability, and low noise. Available in precision grades P0–P2. Lubricated with grease or oil. Rich stock, OEM/ODM supported.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
| Description | Value |
|---|---|
| Model Compatibility | ZR12M3-TWD-551 / ZR12M3E-TWD-522/561 — Precision-fit for Forland, Nissan, Kreisler, Ford & Mazda A/C compressors |
| Dimensions (mm) | 40 × 62 × 24 — Exact OEM replacement size |
| Bearing Type | Double-row radial bearing — Superior load distribution & stability at high RPM |
| Material & Hardness | High-carbon chromium bearing steel (GCr15 equivalent) — Enhanced wear resistance & fatigue life |
| Precision Grade | P0 to P2 options — Ultra-tight tolerances for quiet, vibration-free operation |
| Lubrication Ready | Pre-greased or oil-lubricated — Optimized for R134a/R1234yf refrigerant environments |
| Noise & Speed | Low-noise design (<28 dB), rated up to 12,000 rpm — Ideal for modern variable-speed compressors |
| Quality Assurance | 100% inspected; meets ISO 9001 & GB/T 276 standards; 2-year performance warranty |
| Differentiator vs. Generic Brands | NSK-sourced raceway geometry + micro-finished rollers — 3.2× longer L10 life in real-world compressor tests |
| FAQ: Why replace the whole compressor? | Over 68% of A/C compressor failures originate from bearing wear — timely bearing replacement saves 70%+ on repair costs |
Product Summary
- Product Name
- Zr12m3-Twd-551 Bearing for Auto AC Compressor – High-Performance OEM Replacement
- Category
- Angular Contact Ball 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 | Angular Contact Ball 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
Zr12m3-Twd-551 Bearing for Auto AC Compressor – High-Performance OEM Replacement
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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