NA56425/10CD Closed End Drawn Cup Needle Roller Bearing Inch Size 63.5x79.375x63.5mm Farm Transmission Equipment

The NA56425/10CD is closed-end drawn cup inch needle roller bearing with integrated thin steel outer shell and dense needle roller assembly. Closed bottom structure blocks dirt and debris, features compact radial dimension and strong radial load capacity, no separate outer ring required. It needs quenched shaft surface as inner raceway, widely used in agricultural machinery, inch standard gearboxes and heavy compact transmission assemblies.
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👉 Full technical datasheet and installation drawings available upon request

• CD closed end design prevents dust, mud and debris entering bearing interior from one side
• Thin integrated drawn cup shell saves radial installation space for narrow compact structures
• Dense arranged needle rollers provide outstanding heavy radial load carrying capacity
• Integral forming outer shell simplifies assembly without additional outer ring parts
• Standard inch imperial size fully interchangeable with global NA series needle bearings
• Open end NA type and double sealed variants can be customized as demand

👉 Space-saving heavy load needle bearing for inch-size agricultural transmission equipment

This closed end drawn cup needle bearing is widely matched to:

• Farm harvesters, agricultural inch standard gearbox rotary assemblies
• Construction auxiliary machinery, hydraulic moving components and textile equipment
• Compact heavy-load mechanical structures limited by radial installation space
• General inch-dimension transmission parts requiring unilateral dust isolation

👉 Cost-effective closed end needle roller bearing for farm and industrial machinery

• 25+ years experience in inch drawn cup needle roller bearing manufacturing
• Exported to 50+ countries worldwide
• Rich OEM experience for NA CD closed end series inch needle bearing bulk orders
• Strict shell forming, roller hardness and dimensional tolerance inspection before shipment
• Fast professional technical reply within 24 hours
• Stable bulk supply for long-term agricultural machinery factory cooperation

👉 We focus on stable heavy-load precision quality and long‑term partnership

• GCr15 bearing steel raw material incoming hardness inspection
• Precision stamping forming for drawn cup, superfinishing for needle rollers
• Standard quenching & tempering heat treatment for uniform surface hardness
• Closed end tightness test, roller retention and full dimension recheck
• Anti-rust oil treatment before tube packaging delivery

👉 Consistent unilateral dustproof heavy radial load performance guaranteed for every bearing