Product Overview:
AR12270 STD Main Bearing Set for Cummins K19/KTA19/QSK19 diesel engine, complete kit with main shells & thrust washers, triple metal bi-metal construction for heavy-duty mining, marine, generator machinery.
AR12270 Main Bearing Set Specification:
| Parameter | Specification |
|---|---|
| Part No. | AR12270 (STD standard size) |
| Oversize Options | AR12271 (+0.25mm / 0.010"); AR12272 (+0.50mm / 0.020") |
| Fit Engines | Cummins K19/KTA19/QSK19 6-cylinder diesel engines |
| STD Bearing Thickness | 1.905mm (0.075") |
| Structure | Tri-metal composite bearing |
| Quality Certifications | ISO9001, TS16949 |
| Applicable Power | 400–600HP heavy-duty K19 engines |
| Package Size Per Set | 320×220×90mm |
Key Features:
✅part number AR12270 standard size; oversize AR12271(0.25mm) / AR12272(0.50mm) available
✅1 set includes 14 main bearings + 4 thrust bearings, one-stop overhaul kit
✅Tri-metal babbitt alloy, high load & wear resistance for 400–600HP continuous operation
✅Precise oil groove & hole design, stable lubrication to avoid crankshaft seizure
Application:
✅Construction Machinery: Shantui SD42 Bulldozer, XCMG LW1200 Wheel Loader, Mining Dump Trucks
✅Power Units: KTA19-G2/G3/G4 Generator Sets
✅Ships, Railway Locomotives, Oil Field Fracturing Equipment, Heavy-duty Off-road Machinery
Why Choose Us?
✅Price Edge: Direct Cummins CCEC supply, zero intermediaries, cheaper than overseas agents
✅Shipping Guarantee: global sea and air freight services are supported, with delivery within 1–15 days
✅100% genuine Cummins products guaranteed,Compensate tenfold for any counterfeit goods
✅Professional technical support
Name: Aandy
Mobile:
Tel:19924579082
Email:1941346301@qq.com
Add:5F, Block 4, Next Industrial Park, 136 Zhongkang Road, Futian Dist, Shenzhen