Product Specifications
| Parameter | Details |
|---|
| Part Name | Connecting Rod Bearing Set (STD) |
| Part Number (OEM Reference) | 15531-22310, 15261-22310, 15694-22310, 1553122310, 1526122310, 1569422310, 15531-2231-0, 15261-2231-0, 15694-2231-0 |
| Brand Compatibility | Kubota |
| Machine Model Fitment | See “Compatible Models” table below |
| Engine Model Fitment | D722, D750, D850, D950, V1100, V1200, Z482, Z600, E75-NB3-HG-2, EA300-ENB1-1 |
| Material | High-grade steel backing with tri-metal overlay (copper-lead-tin alloy) |
| Condition | New Aftermarket |
| Warranty | 6-month warranty against manufacturing defects |
| Packaging | Individual blister pack per bearing shell; 3 pairs per retail box |
Compatible Models
| 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 |
Tired of Engine Knock and Premature Crankshaft Failure? Get the Right STD Connecting Rod Bearing 15531-22310 for Your Kubota D722 and EA300
Every hour your Kubota tractor or excavator sits idle due to connecting rod bearing failure costs hundreds — sometimes thousands — in lost productivity. Counterfeit bearings cause abnormal noise, oil pressure drops, and catastrophic crankshaft damage within weeks. OEM replacements mean waiting 3+ weeks while your fleet stands still. And sourcing matching sets across multiple Kubota models adds complexity and risk.
OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse
This STD 15531-22310 connecting rod bearing set delivers OEM-equivalent performance at 40% lower cost. Backed by 10 years of global export experience and 20+ technical specialists, every batch is manufactured in ISO 9001-certified facilities and undergoes pre-shipment dynamic load testing. It’s engineered specifically for high-cycle applications in Kubota D722 and EA300 engine rebuilds — whether you’re repairing a B7200HSTE tractor on a Midwest farm or overhauling a KH-51H excavator on a Southeast Asian construction site.
Where This Part Works
You’ll find this bearing installed in demanding environments: agricultural fields where tractors run 12+ hours daily, urban demolition sites where KH-series excavators operate under constant shock loading, and remote mining camps where generator sets like GL-6500S must deliver uninterrupted power. In these conditions, the connecting rod bearing absorbs repeated impact loads, maintains precise oil film integrity, and resists thermal deformation — making correct specification non-negotiable for uptime and safety.
Engineering Details That Matter
The tri-metal overlay (copper-lead-tin) provides superior embeddability and conformability compared to single-layer babbitt, critical when minor debris enters the lubrication system. Steel backing ensures dimensional stability under high RPM and cylinder pressures up to 130 bar. Surface finish is held to Ra ≤ 0.2 µm to optimize oil retention and reduce startup wear. Shell thickness tolerance is controlled to ±0.005 mm — matching original Kubota specs to prevent misalignment and uneven load distribution across the big end.
The Real Cost of Wrong Parts
A $12 counterfeit bearing may save $8 upfront — but triggers $2,400 in labor to re-machine the crankshaft, $850 in replacement parts, and 3 days of equipment downtime. Industry data shows substandard connecting rod bearings fail 1.5× faster than ISO-compliant equivalents, increasing total cost of ownership by 220%. Our STD 15531-22310 meets JIS B 1501 and Kubota service manual torque and clearance specifications — protecting your engine investment over its full 10,000-hour lifecycle.
Why Customers Trust XUNPO
We only source from ISO 9001-certified factories and perform incoming material inspection on every shipment. Each bearing set undergoes 100% dimensional verification and simulated load cycling before dispatch. We offer a 6-month warranty covering manufacturing defects — no questions asked. With 10 years exporting to 120+ countries, our team has verified over 45,000 part-to-machine matches. Our 24/7 technical support responds to part identification requests within 2 hours. And our Guangzhou warehouse holds over 10,000 SKUs — including this STD bearing — ready for same-day pick and pack.
Packaging & Shipping
- Each bearing shell sealed in anti-corrosion blister pack; 3 pairs per sturdy cardboard box with foam cushioning
- In-stock items ship within 2–5 working days after order confirmation
- Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), or sea freight (25–40 days)
- Real-time tracking number provided upon dispatch
- MOQ is 1 set — ideal for urgent field repairs or small workshop inventories
Get Your STD Connecting Rod Bearings Now
Your Kubota D722 or EA300 engine won’t wait — and neither should your order. Send us your part number, machine model, and required quantity, and we’ll email a competitive quote within 24 hours. First-time buyers can request a sample set for physical verification before bulk purchase. Every day delayed is another day your equipment stays offline.
Frequently Asked Questions
Q: Is this an original Kubota part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket part manufactured in ISO 9001-certified facilities to match original Kubota dimensions, material specs, and performance standards.
Q: How do I confirm this bearing fits my specific machine?
A: Provide your exact machine model (e.g., B7200HSTE) and engine serial prefix (if available); our technical team will verify compatibility and reply within 2 hours.
Q: What is the warranty period?
A: 6 months from date of delivery, covering defects in materials and workmanship. Defective units are replaced free of charge.
Q: What is the minimum order quantity?
A: 1 set (3 pairs) — no bulk requirement. Ideal for repair shops and operators needing single-unit replacements.
Q: How soon can I receive the order?
A: In-stock orders ship within 2–5 working days. Express courier delivery takes 3–7 days depending on destination.
Q: Can I get a sample before placing a larger order?
A: Yes — first-time customers may request one sample set for evaluation. Contact us via WhatsApp or email to arrange.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
