<p>Keep your Kubota engine running smoothly with our <strong>STD Connecting Rod Bearing 15531-22310</strong>, engineered to eliminate costly downtime and ensure precise fit for D722, D750, D850, and D950 models. This high-quality replacement bearing maintains optimal crankshaft alignment, reducing wear on critical engine components and extending your equipment's service life.</p><ul><li>Direct fit for Kubota tractors, generators, and excavators requiring part numbers 15531-22310, 15261-22310, or 15694-22310</li><li>Precision-machined to OEM specifications, ensuring proper oil clearance and heat dissipation</li><li>Includes 3 pairs to complete a full engine rebuild or maintenance service</li></ul>
| Parameter | Details |
|---|---|
| Part Name | STD Connecting Rod Bearing |
| Replacement Part Numbers | 15531-22310, 15261-22310, 15694-22310, 1553122310, 1526122310, 1569422310, 15531-2231-0, 15261-2231-0, 15694-2231-0 |
| Brand Compatibility | Kubota |
| Engine Fitment | D722, D750, D850, D950, V1100, V1200, Z482, Z600, E75-NB3-HG-2, EA300-ENB1-1 |
| Condition | New Aftermarket |
| Warranty | 3-12 months against manufacturing defects |
| Brand | Applicable Models |
|---|---|
| Kubota Tractor | AD70, B1550D, B1550E, B1550HST-D, B1550HST-E, B1702, B1750D, B1750E, B1750HST-D, B1750HST-E, B1902, B20, B2150D, B2150E, B2150HSD, B2150HSE, B4200D, B5100D-P, B5100E-P, B5200D, B5200E, B6100D-P, B6100E-P, B6100HST-D, B6100HST-E, B6200D, B6200E, B6200HSTD, B6200HSTE, B7100D-P, B7100HST-D NEW TYPE, B7100HST-D OLD TYPE, B7100HST-E NEW TYPE, B7100HST-E OLD TYPE, B7200D, B7200E, B7200HSTD, B7200HSTE, B8200, B8200DP, B8200EP, B8200HST-DP, B8200HST-EP, B9200HST-DP, B9200HST-EP, F2000, F2000ELW, F2000ESW, F2000II, F2100, F2100E, F270SE-AU, PX-2100 |
| Kubota Generator | G-3100SD, G-8500SD, GL-4500(S), GL-5500(S), GL-5500S-AUS, GL-6500S, GL-6500S-AUS, GL-6500S-RV, GL-6500S-STD, GL-6500TS-FR |
| Kubota Track Carrier | KC120(-G), CF-1800, CF-2200, RC-15FD-2 |
| Kubota Excavator | KH-31, KH-31H, KH-35, KH-35(H), KH-35H, KH-36, KH-41, KH-41EXP, KH-50, KH-50H, KH-51, KH-51H, KH-5H 04, KH-5H 14, KH-5HG 09, KH-61, KH-61H |
Every hour your Kubota equipment sits idle costs money—whether it's a tractor in the field, generator at a worksite, or excavator on a construction project. We've seen repair shops waste weeks waiting for overpriced OEM connecting rod bearings, only to receive counterfeit parts that fail after 500 operating hours. When your Kubota D722 or D950 engine needs a rebuild, you can't afford guesswork with critical components like connecting rod bearings.
Our STD Connecting Rod Bearing 15531-22310 solves these headaches with precision-engineered replacements that meet Kubota's original specifications. Backed by 10 years of exporting工程机械 parts to 120+ countries, we source exclusively from ISO-certified factories and perform pre-shipment testing to ensure each bearing matches OEM durability. Unlike OEM parts with 2-4 week lead times, our Guangzhou warehouse stocks this 15531-22310 bearing for immediate 2-5 day shipping—so you can get that Kubota engine back online fast.
This connecting rod bearing is the critical interface between crankshaft and connecting rod in Kubota's most popular diesel engines—from D722-powered compact tractors to D950-equipped excavators. It withstands the extreme pressure and heat of combustion cycles, particularly in high-hour applications like mining support equipment, agricultural harvesting, and municipal construction. A failed bearing here doesn't just stop your machine; it can cause catastrophic engine damage costing thousands in secondary repairs.
Our 15531-22310 bearing features a precision-formed steel backing with lead-free tri-metal overlay, designed to handle Kubota's specific load profiles. The 0.002mm dimensional tolerance ensures perfect crankshaft journal fit, eliminating the play that causes premature wear. Unlike cheap alternatives with inconsistent thickness, our bearings maintain uniform oil clearance to prevent metal-to-metal contact during cold starts. Each set undergoes 100% hardness testing to ensure 85-90 HRB surface hardness—matching OEM specifications for fatigue resistance in high-vibration environments.
While counterfeit bearings may save 30% upfront, they typically fail within 1,000 hours—compared to 5,000+ hours from quality replacements. Consider this: A Kubota B2150 tractor downtime costs $800/day in lost productivity. A bearing failure that takes 3 days to repair plus $1,200 in secondary engine damage costs $3,600 total—far more than investing in a reliable 15531-22310 bearing now. Our ISO 9001-certified manufacturing ensures each bearing meets SAE J439 standards for material composition and dimensional accuracy, delivering lower total cost of ownership over the long term.
We don't just sell parts—we provide engineering solutions backed by 20+ industry experts. Our technical team verifies every bearing against Kubota's original blueprints before shipping, ensuring compatibility with your specific engine serial number. We stand behind our parts with a 6-month warranty against manufacturing defects, and our 24/7 support team responds to technical inquiries within 2 hours. With 10,000+ Kubota parts in stock and 10 years of global logistics experience, we've earned the trust of repair shops and fleet managers who can't afford mistakes.
Send us your requirements -- part number, machine model, quantity, and destination. Our team responds within 24 hours with a competitive quote.
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