4T-LM503349/LM503310 Single Row Tapered Roller Bearing 45.987×74.976×18mm for Automotive Hub

4T-LM503349/LM503310 is an inch-size single row tapered roller bearing, made up of separable cone assembly LM503349 and outer cup LM503310. Made of GCr15 chrome bearing steel, this open bearing handles combined radial and unidirectional axial loads. Its separable design supports simple mounting and clearance adjustment, while the stamped steel cage keeps rollers aligned steadily. It works reliably under medium load conditions and is widely used for automotive hub and machinery transmission replacement.

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• Separable cone and cup for easy mounting and disassembly
• Supports combined radial and unidirectional axial loads
• Stamped steel cage maintains stable roller positioning
• Open structure, convenient for on-site lubrication
• Adjustable clearance during assembly

• Automotive wheel hubs and axle assemblies
• Industrial gearboxes and speed reducers
• Construction machinery transmission parts
• Agricultural machinery and mining equipment
• General medium-load rotating shaft units

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• 30 years professional bearing industry experience
• ISO certified strict quality inspection
• Flexible OEM & private label customization
• 3-5 days fast delivery for stocked bearings
• Full bearing series, universal interchangeable size
• Factory direct price & reliable after-sales service

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