Water Pump Bearings
BMT water pump bearings are precision-engineered components specifically designed for automotive engine cooling systems and industrial circulation pumps. Unlike conventional bearings, our integrated shaft-bearing design provides exceptional rigidity, reduces assembly complexity, and ensures reliable operation under the most demanding conditions.
Key Features & Benefits
- Integrated shaft design – Eliminates separate shaft alignment; reduces assembly time and cost.
- High-temperature stability – Reliable operation in coolant environments exceeding 100°C.
- Advanced sealing system – Double-lip rubber seals prevent coolant, dust, and abrasive particle ingress.
- High-speed capability – Suitable for engine-driven pumps up to several thousand RPM.
- Low noise & vibration – EMQ-grade quality ensures quiet operation.
- Corrosion-resistant materials – Special heat-treated steel and anti-rust coating extend service life.
Technical Specifications
| Parameter | Value Range |
|---|---|
| Bore diameter | 12 – 35 mm (customizable) |
| Outer diameter | 32 – 72 mm |
| Width | 20 – 45 mm |
| Dynamic load rating (C) | Up to 12.8 kN |
| Static load rating (C₀) | Up to 9.5 kN |
| Limiting speed | Up to 12,000 rpm |
| Temperature range | -40°C to +150°C |
| Sealing type | 2RS (double contact rubber seal) |
Operating Demands – Built to Last
BMT water pump bearings are designed to withstand the four toughest challenges in pump applications:
- High Temperatures – Continuous exposure to engine coolant >100°C
- Contaminants – Sealed against coolant, fine abrasives, and environmental debris
- Constant Loads – Supports impeller weight and hydraulic forces in both forward and reverse directions
- High-Speed Rotation – Maintains stability at speeds proportional to engine RPM
Applications
- Automotive engine water pumps (passenger cars, commercial vehicles)
- Electric water pumps for new energy vehicles (NEV)
- Industrial circulation pumps
- HVAC system pumps
- Agricultural irrigation pumps
- Household appliance drainage pumps
Why Choose BMT Water Pump Bearings?
| BMT Advantage | Detail |
|---|---|
| 20+ years experience | Founded in 2004, specialized in non-standard bearings since 2005 |
| IATF 16949:2016 certified | Strict automotive-grade quality management |
| 100 million annual capacity | High-volume production with consistent quality |
| 100+ automated lines | Precision grinding and assembly for minimal variation |
| Global customer base | Trusted by OEMs in North America, Europe, Southeast Asia, and Middle East |
| Customization available | Free drawing support and sample supply |
Quality Assurance
- Raw material certification
- In-process dimensional checks
- Noise and vibration testing (S0910)
- Sealing performance test
- Final random sampling before shipment
Ordering & Support
- Free samples available for qualified customers
- Technical support – Our engineers assist with selection, drawing, and installation
- Lead time – Standard sizes: 15–25 working days
- Packaging – Anti-rust oil + plastic tube + carton (custom packaging available)
- View as
WIB1630102 Water Pump Bearings
WIB1630102 Water Pump Bearings are designed for automotive water pumps, agricultural irrigation equipment, and industrial pump systems. The bearing is manufactured with precision-ground raceways, heat-treated bearing steel, and sealed lubrication to support stable operation under high-speed and continuous-running conditions.
BMT Bearing has been engaged in bearing manufacturing since 2004 and supplies water pump bearings for OEM production, aftermarket replacement, and industrial equipment applications.
BMT Bearing has been engaged in bearing manufacturing since 2004 and supplies water pump bearings for OEM production, aftermarket replacement, and industrial equipment applications.
| NO | NSK NO | FAG NO | A (inch) | B(inch) | C(inch) | D(inch) |
| WIB163073 | 885154 | W2289 | 2.89 | 0.16 | 1.2 | 0.6267 |
| WIB163083 | 885165 | W2325 | 3.25 | 0.16 | 1.56 | 0.6267 |
| WIB163090 | W2355-3 | 3.55 | 0.67 | 1.35 | 0.6267 | |
| WIB163093 | 885330 | W2366 | 3.66 | 0.73 | 1.4 | 0.6267 |
| WIB163094 | W2371 | 3.71 | 0.69 | 1.5 | 0.6267 | |
| WIB163096 | W2375-3 | 3.76 | 0.56 | 1.67 | 0.6267 | |
| WIB163098 | 885307 | W2385 | 3.86 | 0.67 | 1.66 | 0.6267 |
| WIB1630102 | 885321 | W2401-3 | 4.02 | 0.67 | 1.8 | 0.6267 |
| WIB1630103 | 885140 | W2406-1 | 4.06 | 0.92 | 1.61 | 0.6267 |
| WIB1630105 | 885329 | W2415-1 | 4.15 | 0.8 | 1.82 | 0.6267 |
| WIB1630106 | 885097 | W2417-2 | 4.17 | 0.81 | 1.83 | 0.6267 |
| WIB1630109 | 885107B | W2431 | 4.31 | 0.58 | 2.2 | 0.6267 |
| WIB1630110 | 885332 | W2434 | 4.35 | 0.84 | 1.97 | 0.6267 |
| WIB1630111 | 885528 | W2435 | 4.36 | 0.77 | 2.06 | 0.6267 |
| WIB1630112 | 885167 | W2439 | 4.39 | 0.94 | 1.92 | 0.6267 |
| WIB1630112A | 885167D | W2440-4 | 4.4 | 1.15 | 1.72 | 0.6267 |
| WIB1630112B | W2441-1 | 4.41 | 1.06 | 1.82 | 0.6267 | |
| WIB1630114A | 885156 | W2446 | 4.47 | 1.08 | 1.86 | 0.6267 |
| WIB1630116 | 885337A | W2454 | 4.55 | 0.81 | 2.21 | 0.6267 |
| WIB1630116A | 885162 | W2456 | 4.56 | 1.1 | 1.93 | 0.6267 |
| WIB1630116B | W2456-1 | 4.57 | 1.07 | 1.97 | 0.6267 | |
| WIB1630119 | 885118 | W2468 | 4.69 | 1.47 | 1.69 | 0.6267 |
| WIB1630119A | W2468-1 | 4.69 | 1.47 | 1.69 | 0.6267 | |
| WIB1630120 | 885221 | W2472 | 4.72 | 1.44 | 1.75 | 0.6267 |
| WIB1630121 | 885222 | W2475 | 4.75 | 1.5 | 1.72 | 0.6267 |
| WIB1630121A | 885105 | W2476-2 | 4.76 | 1.16 | 2.07 | 0.6267 |
| WIB1630122D | 885476 | W2481 | 4.81 | 1.34 | 1.94 | 0.6267 |
| WIB1630122B | 885168C-1 | W2481-1 | 4.81 | 1.13 | 2.16 | 0.6267 |
| WIB1630123 | W2485 | 4.85 | 0.77 | 2.56 | 0.6267 | |
| WIB1630124 | 885100B | W2486-2 | 4.87 | 1.25 | 2.09 | 0.6267 |
| WIB1630128 | 885141 | W2503 | 5.03 | 1.02 | 2.48 | 0.6267 |
| WIB1630128A | 885151B | W2503-6 | 5.03 | 1.75 | 1.75 | 0.6267 |
| WIB1630129 | 885169-1 | W2507 | 5.08 | 1.25 | 2.3 | 0.6267 |
| WIB1630135A | 885437 | W2532 | 5.33 | 2 | 1.79 | 0.6267 |
| WIB1630136A | 885158P | W2537 | 5.37 | 1.54 | 2.3 | 0.6267 |
| WIB1630139 | W2547 | 5.47 | 0.91 | 3.03 | 0.6267 | |
| WIB1630139A | 885603 | W2548-1 | 5.49 | 1.38 | 2.58 | 0.6267 |
| WIB1630143 | 885144 | W2562 | 5.63 | 1.58 | 2.52 | 0.6267 |
| WIB1630146 | W2575 | 5.76 | 2.51 | 1.71 | 0.6267 | |
| WIB1630146A | 885694 | W2575-2 | 5.75 | 2.43 | 1.79 | 0.6267 |
| WIB1630162 | 885117 | W2637 | 6.37 | 2.3 | 2.55 | 0.6267 |
| WIB1630102 | 885321 | W3399 | 4 | 0.69 | 1.78 | 0.6275 |
| WIB1630122 | 885168AA | W3481-5 | 4.81 | 1.58 | 1.7 | 0.6275 |
| WIB1630122A | 885168AA | W3481-6 | 4.81 | 1.58 | 1.7 | 0.6275 |
| WIB1630132 | 885521 | W3520-2 | 5.2 | 1.58 | 2.09 | 0.6275 |
| WIB1630132A | 885521 | W3520-3 | 5.2 | 1.58 | 2.09 | 0.6275 |
| WIB1630133 | 885611 | W3522-1 | 5.22 | 1.17 | 2.52 | 0.6275 |
| WIB1630154 | 885613 | W3607 | 6.07 | 1.17 | 3.37 | 0.6275 |
| WIB1630154A | 885613 | W3607-1 | 6.07 | 1.17 | 3.37 | 0.6275 |
| WIB163093-OS | 885330-OS | W6366 | 3.66 | 0.73 | 1.4 | 0.629 |
| WIB163098-OS | 885307-OS | W6385 | 3.86 | 0.67 | 1.66 | 0.629 |
| WIB1630102-OS | 885321-OS | W6401-3 | 4.02 | 0.67 | 1.82 | 0.629 |
| WIB1630103-OS | 885140-OS2 | W6406-1 | 4.06 | 0.92 | 1.61 | 0.629 |
| WIB1630105-OS | 885329-OS | W6415-1 | 4.15 | 0.8 | 1.82 | 0.629 |
| WIB1630109-OS | 885111D-OS2 | W6428-1 | 4.28 | 1.08 | 1.67 | 0.629 |
| WIB1630110C-OS | 885524S-OS2 | W6433-2 | 4.33 | 1.14 | 1.66 | 0.629 |
| WIB1630110-OS | 885332-OS | W6434 | 4.36 | 0.77 | 2.06 | 0.629 |
| WIB1630112-OS | 885167-OS2 | W6439 | 4.39 | 0.94 | 1.92 | 0.629 |
| WIB1630112A-OS | 885167D-OS2 | W6440-4 | 4.4 | 1.15 | 1.72 | 0.629 |
| WIB1630113-OS | 885155-OS | W6445 | 4.45 | 1.25 | 1.67 | 0.629 |
| WIB1630113A-OS | 885156-OS | W6446 | 4.47 | 1.08 | 1.86 | 0.629 |
| WIB1630114-OS | 885697-OS2 | W6450-2 | 4.5 | 1.26 | 1.71 | 0.629 |
| WIB1630116-OS | 885337A-OS | W6454 | 4.55 | 0.81 | 2.21 | 0.629 |
| WIB1630116A-OS | 885162-OS | W6456 | 4.56 | 1.1 | 1.93 | 0.629 |
| WIB1630119-OS | 885118-OS2 | W6468 | 4.69 | 1.47 | 1.69 | 0.629 |
| WIB1630119B-OS | 885118-OS | W6468-1 | 4.69 | 1.47 | 1.69 | 0.629 |
| WIB1630119A-OS | 885135S-OS2 | W6470 | 4.7 | 1.28 | 1.89 | 0.629 |
| WIB1630121-OS | 885105-OS2 | W6476 | 4.76 | 1.16 | 2.07 | 0.629 |
| WIB1630122-OS | W6478-1 | 4.79 | 1.24 | 2.02 | 0.629 | |
| WIB1630122D-OS | 885476-OS2 | W6481 | 4.81 | 1.33 | 1.95 | 0.629 |
| WIB1630122B-OS | 885168C-OS2 | W6481-1 | 4.81 | 1.13 | 2.16 | 0.629 |
| WIB1630123-OS | W6484 | 4.84 | 1.45 | 1.86 | 0.629 | |
| WIB1630124-OS | 885100B-OS2 | W6486-2 | 4.87 | 1.25 | 2.09 | 0.629 |
| WIB1630129-OS | 885169-OS2 | W6507 | 5.08 | 1.25 | 2.3 | 0.629 |
| WIB1630134-OS | 885113B-OS2 | W6527 | 5.27 | 1.68 | 2.06 | 0.629 |
| WIB1630136-OS | 885093S-OS2 | W6534-1 | 5.34 | 2.06 | 1.75 | 0.629 |
| WIB1630136A-OS | 885158P-OS2 | W6537 | 5.37 | 1.54 | 2.3 | 0.629 |
| WIB1630138-OS | 885158-OS2 | W643 | 5.44 | 1.61 | 2.3 | 0.629 |
| WIB1630139-OS | 8856030-OS2 | W6548-1 | 5.49 | 1.38 | 2.58 | 0.629 |
| WIB1630141-OS | 885248-OS2 | W6555 | 5.55 | 1.93 | 2.09 | 0.629 |
| WIB1630141A-OS | W6556 | 5.56 | 1.53 | 2.5 | 0.629 | |
| WIB1630143A-OS | 885144-OS2 | W6562 | 5.62 | 1.58 | 2.52 | 0.629 |
| WIB1630143-OS | 885144-OS2 | W6562-1 | 5.62 | 1.58 | 2.52 | 0.629 |
| WIB1630146-OS | 885694S-OS2 | W6575-1 | 5.75 | 2.43 | 1.79 | 0.629 |
| WIB1630150-OS | 885116C-OS2 | W6590-2 | 5.9 | 1.38 | 2.99 | 0.629 |
| WIB1630162-OS | 885117-OS2 | W6637 | 6.37 | 2.3 | 2.55 | 0.629 |
| WIB1630102-OS | 885321-OS2 | W7399-1 | 4 | 0.69 | 1.78 | 0.629 |
| WIB1630122B-OS | 885168H-OS2 | W7481-1 | 4.81 | 1.13 | 2.16 | 0.629 |
| WIB1630122-OS | 885168AA-OS | W7481-6 | 4.81 | 1.58 | 1.7 | 0.629 |
| WIB1630132-OS | 885521-OS2 | W7520-2 | 5.2 | 1.58 | 2.09 | 0.629 |
| WIB1630133-OS | 885611-OS2 | W7522-1 | 5.22 | 1.17 | 2.52 | 0.629 |
| WIB1630154-OS | 885613-OS2 | W7607-1 | 6.07 | 1.17 | 3.37 | 0.629 |
