3316DAMA Double‑Row Angular Contact Ball Bearing 80×170×68.3mm Split Inner Ring Brass Cage Industrial Bearing

The 3316DAMA is an open‑type double‑row angular contact ball bearing with split inner ring and solid machined brass cage, designed for heavy‑duty industrial rotary assemblies. It can bear large combined radial and bidirectional axial loads simultaneously and delivers stable performance under alternating impact load.
It is widely used for gearboxes, heavy machinery and mining equipment where high combined load capacity is required

• High combined radial‑axial load capacity for heavy‑duty industrial applications
• Split inner‑ring structure for convenient mounting and preload adjustment
• Solid brass cage provides excellent anti‑deformation performance at high temperature
• Optimized raceway for low‑noise, stable medium‑speed continuous rotation
• Suitable for gearbox, mining and heavy‑duty transmission equipment
• Custom design available (clearance, precision grade, OEM laser marking)

This bearing is widely used in:

• Heavy‑duty industrial gearbox input & output shafts
• Mining machinery main transmission assemblies
• Metallurgical equipment rotary supporting parts
• Large‑size heavy‑duty reducers
• General heavy‑load industrial rotating equipment

• 25+ years experience in industrial bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM & custom projects
• Strict quality inspection before shipment
• Fast response within 24 hours
• Stable supply for long‑term cooperation

• Raw material chemical composition & hardness inspection
• Precision turning and raceway mirror‑superfinishing machining
• Heat treatment process control for stable internal stress
• Clearance, noise & rotational flexibility testing
• Final visual & dimensional inspection before delivery

Looking for reliable 3316DAMA double‑row angular contact ball bearings for heavy‑duty industrial equipment?

• Fast quotation within 24 hours
• Technical support from engineers
• Custom solution suggestions
• Competitive factory price