GQZ 305707 C‑2Z Double‑Row Angular Contact Ball Bearing 35×72×27mm Double Metal Shielded Ball Bearing
The 305707 C‑2Z double‑row angular contact ball bearing is pre‑integrated double‑row construction with C‑type contact angle, double‑sided 2Z metal dust shields. It can bear combined radial load and bidirectional axial thrust load, compact width dimension, metal shields block coarse dust, suitable for medium‑speed compact transmission without heavy‑contamination environment.
It is widely used in gearboxes, agricultural machinery and general‑purpose compact industrial transmission shaft assemblies.
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- Model
- 305707 C‑2Z
- Inner Diameter (ID)
- 35 mm
- Outer Diameter (OD)
- 72 mm
- Total Width
- 27 mm
- Structure
- Double‑row angular contact ball bearing, C contact angle, double‑sided 2Z metal shield
- Material
- GCr15 chrome bearing steel
- Cage
- Stamped steel cage
- r min
- 1.1 mm
- Precision Grade
- P0
- Approx Net Weight
- 0.42 kg
- Dynamic Load Cr
- 33200 N
- Static Load C0r
- 28500 N
- Limiting Speed(Grease)
- 5400 rpm
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- Built‑in double‑row structure, provides bidirectional axial loing capacity without extra pairing work
- Double‑sided 2Z metal shields offer good protection against coarse dust and particle debris
- Compact overall dimension saves housing space for limited‑envelope transmission equipment
- Excellent combined radial‑axial load‑bearing performance under medium‑speed operating conditions
- Standard mounting dimensions support direct interchange and aftermarket replacement
- Custom design available (rubber sealed version, special grease, OEM laser marking)
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This bearing is widely used in:
- Compact industrial gearbox and reducer transmission shaft assemblies
- General‑purpose engineering machinery and light‑duty agricultural equipment
- Conveyor systems and packaging machinery main rotary units
- Various medium‑speed compact rotary mechanisms requiring bidirectional axial positioning
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- 25+ years experience in industrial double‑row angular contact ball bearing manufacturing
- Exported to 50+ countries worldwide
- Rich experience in OEM 3057 series double‑row angular contact bearing custom projects
- Strict dimensional tolerance, shield fit and rotation performance 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
- Shield fitting check, clearance detection 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 double‑row angular contact bearing matching solution suggestions
- Competitive factory price
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Q1: What is difference between 2Z and 2RS?
2Z is metal dust shield for coarse dust; 2RS is rubber contact seal for fine dust and moisture.
Q2: What is your delivery time?
Standard double‑row angular contact bearings:7‑15 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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