GQZ BVN-7107B Single Row 40° Angular Contact Ball Bearing 70×125×24mm For Atlas Screw Air Compressor Rotor

BVN-7107B is dedicated single row 40° angular contact ball bearing for large Atlas screw air compressor main rotor shaft. Adopts high-temperature polyamide nylon cage, bears combined heavy radial & bidirectional axial thrust loads, stable continuous operation under high speed and high temperature inside compressor airend.

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Model

BVN-7107 / BVN-7107B

Dimension

d70mm × D125mm × B24mm

Contact angle

40°

Cage

Heat-resistant polyamide nylon cage

Structure

Open type high precision non-separable unit

Material

GCr15 chrome bearing steel

Weight

1.12kg

Precision grades

P6 / P5 / P4 / P2(ABEC9)

Full load data and CAD drawings available on request

1. 40° large contact angle withstands strong axial force generated by high-speed compressor rotor
2. Nylon cage low friction & heat-resistant, avoids deformation under long-hour high-temperature running
3. Super-finished raceway reduces vibration, noise and wear, extend compressor service cycle
4. High precision tolerance fits strict airend assembly clearance requirements
5. Direct interchangeable with original SKF BVN-7107B for Atlas compressor maintenance
6. Custom high-temperature EP grease, OEM laser marking and precision grades supported

👉 Lower compressor failure rate and cut overhaul maintenance cost

• Large Atlas screw air compressor main rotor front & rear support
• Industrial permanent magnet high-speed screw compression equipment
• Heavy high-speed rotary assemblies with combined radial-axial loads
• Medium & large air compressor head dedicated replacement spare bearing

• 25+ years specialized manufacturer of air compressor exclusive bearings
• Exported to over 50 countries worldwide
• Strict high-speed temperature rise, vibration and dimensional inspection before delivery
• 24-hour professional technical support for compressor model matching
• Stable bulk stock supply for air compressor repair distributors

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

• GCr15 raw material metallurgy & hardness inspection
• Precision superfinishing grinding for inner and outer raceways
• Complete quenching & tempering heat stabilization
• High-speed continuous temperature rise aging test
• Full dimensional tolerance & clearance inspection for compressor special bearings

Looking for BVN-7107B air compressor angular contact ball bearings?

👉 Send inquiry to get:

• Fast quotation within 24 hours
• Compressor model matching suggestion
• Custom high-temperature lubricant & precision options
• Competitive factory price

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