GQZ S7010ACDGA/P4A Super‑Precision Angular Contact Ball Bearing 50×80×16mm 25° Universal Match Spindle Bearing
The S7010ACDGA/P4A single‑row super‑precision angular contact ball bearing features 25° ACD contact angle, GA universal‑match configuration and strict P4A tolerance grade. It supports DB, DF or DT combined mounting, bears combined radial and single‑direction axial loads, delivers high rotary accuracy, rigidity and high‑speed performance, specially designed for machine‑tool spindle and precision rotary equipment.
It is widely used for CNC machine spindles, grinding equipment and high‑precision automation rotary units.
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- Model
- S7010ACDGA/P4A
- Inner Diameter (ID)
- 50 mm
- Outer Diameter (OD)
- 80 mm
- Width B
- 16 mm
- Contact Angle
- 25°
- Structure
- Single‑row open‑type angular contact ball bearing, GA universal match, P4A precision grade
- Material
- GCr15 chrome bearing steel
- Cage
- Polyamide resin cage
- r min
- 1 mm
- Approx Net Weight
- 0.249 kg
- Dynamic Load Cr
- 28100 N
- Static Load C0r
- 23200 N
- Limiting Speed(Grease)
- 15000 rpm
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- P4A ultra‑precision tolerance ensures low run‑out for strict‑accuracy spindle appliions
- 25‑degree contact angle balances stiffness, load capacity and high‑speed performance
- GA universal‑match design supports direct DB / DF / DT duplex mounting without spacer grinding
- Open‑type structure adapts to grease, oil‑air circulating lubriion for continuous high‑speed running
- High rigidity characteristic reduces spindle deflection under cutting load
- Custom design available (hybrid ceramic balls, pre‑matched sets, OEM laser marking)
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This super‑precision bearing is widely used in:
- CNC machine tool main spindle and grinding machine core rotary assemblies
- High‑speed machining centers, high‑frequency motors and precision testing instruments
- Precision robotic joint and semiconductor processing rotary mechanisms
- Various high‑accuracy rotary devices requiring universal‑match P4A grade bearing
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- 25+ years experience in industrial super‑precision angular contact ball bearing manufacturing
- Exported to 50+ countries worldwide
- Rich experience in OEM GA universal‑match P4A‑grade precision bearing custom projects
- Strict P4‑level run‑out, contact angle and high‑speed simulation inspection before shipment
- Fast response within 24 hours
- Stable supply for long‑term cooperation
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- Raw material hardness inspection
- Precision grinding & superfinishing raceway machining
- Heat treatment metallurgy control
- P4A‑grade run‑out detection, universal‑match pairing check and rotation smoothness testing
- Final dimensional & appearance inspection before delivery
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Looking for a reliable bearing supplier?
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- Fast quotation within 24 hours
- Technical support from engineers
- Custom super‑precision spindle bearing matching solution suggestions
- Competitive factory price
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Q1: What does GA stand for?
GA means universal‑match bearing for direct DB, DF, DT duplex installation.
Q2: What is your delivery time?
P4A super‑precision angular contact bearings:10‑18 days
Custom special specifiion products: depending on specifiions
Q3: Do you support bulk orders?
Yes, we provide stable supply for long‑term cooperation.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.