GQZ STC4065 Separable Single Row Tapered Roller Bearing 40×65×12mm For Nissan & Mitsubishi Automotive Gearbox

STC4065 is a special non-standard single row tapered roller bearing, composed of separable inner cone assembly and outer cup. It can bear combined radial load and unidirectional axial thrust load, stable under variable speed and impact working conditions. Mainly designed for Nissan, Mitsubishi passenger car manual transmission gearbox assemblies, widely used in auto aftermarket maintenance replacement.

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Model: STC4065

Dimension: Inner bore d40mm × Outer D65mm × Total width T12mm

Net weight: 0.32kg

Structure: Separable inner cone + outer cup, stamped steel cage

Material: GCr15 high carbon chrome bearing steel

Structure type: Open without sealing

Precision grades: P0 / P6 / P5 / P4

Full load capacity datasheets and CAD drawings available on request

• Separable cone and cup design supports single-piece replacement, reduce spare part inventory cost
• Logarithmic superfinished roller surface lowers friction heat, vibration and running noise
• High hardness quenched steel resists abrasion and shock load during gearbox shifting
• Special customized dimension fully interchangeable with original KOYO STC4065 auto bearings
• Custom extreme pressure grease, anti-rust coating and OEM laser marking supported

👉 Extend service life of automobile gearbox transmission assemblies

• Nissan, Mitsubishi passenger car manual gearbox shaft support
• Light vehicle transmission and differential assemblies
• Small agricultural machinery wheel hub transmission parts
• Mini construction equipment rotary supporting shafts
• Automotive auxiliary transmission and power shift components

• 25+ years professional manufacturer of Japanese auto special tapered roller bearings
• Exported to over 50 countries worldwide
• Strict dimension, hardness and matching clearance inspection before delivery
• 24-hour fast technical reply and gearbox preload installation guidance
• Stable bulk supply for auto spare parts and repair distributors

👉 We focus on quality, reliability, and long-term partnership

• GCr15 raw material metallurgy & hardness inspection
• Precision superfinishing grinding for tapered raceway and rollers
• Complete quenching & tempering heat stabilization process
• Matching clearance test between inner cone and outer cup
• Full dimensional tolerance inspection for non-standard automotive bearings

Looking for STC4065 tapered roller bearings for Japanese car gearbox repair?

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• Fast quotation within 24 hours
• Engineer gearbox installation torque & preload suggestions
• Custom lubricant and precision grade options
• Competitive factory price

Contact our sales team for full technical datasheets and formal quotation