By developing special BG bearing series, NACHI has surpassed the needs and demands in the air conditioning market. Through these accomplishments NACHI has gained recognition and increased market share around the world. BG Type for Car Air Conditioning Magnetic Clutch Double-row Angular Contact Ball Bearings Best Components support Bearing Performance High-performance Grease Advanced Seal Design Selected Ring Material Optimum Heat Treatment for A/C Well Controlled Accuracy, Roundness and Surface Finish Special Design Glass Reinforced Polyamide Cage Excellent Grease Retention Superb Dust / Water Proof Light Rotating Torque High Temperature Resistance Specially Blended Oil, Thickener and Additives Durability in High Temperature Smooth and Quiet Rotation
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Double-row Angular Contact Ball Bearings for Car ... - Nachi
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By developing special BG bearing series, NACHI has surpassed the needs and demandsin the air conditioning market. Through these accomplishments NACHI has gained
recognition and increased market share around the world.
Best Components support Bearing PerformanceSelected Ring Material
Optimum Heat Treatment for A/CWell Controlled Accuracy, Roundness and Surface Finish
Special Design Glass Reinforced Polyamide Cage
Advanced Seal Design High-performance GreaseExcellent Grease Retention Specially Blended Oil, Thickener and AdditivesSuperb Dust / Water Proof Durability in High Temperature
Light Rotating Torque Smooth and Quiet RotationHigh Temperature Resistance
BG Type
for Car Air Conditioning Magnetic ClutchDouble-row Angular Contact Ball Bearings
Best Components support Bearing Performance
High-performance GreaseAdvanced Seal Design
Selected Ring MaterialOptimum Heat Treatment for A/C
Well Controlled Accuracy, Roundness and Surface FinishSpecial Design Glass Reinforced Polyamide Cage
Excellent Grease RetentionSuperb Dust / Water Proof
Light Rotating TorqueHigh Temperature Resistance
Specially Blended Oil, Thickener and AdditivesDurability in High Temperature
Smooth and Quiet Rotation
Comparison Test ResultsNACHI vs. Chinese brand popular in Texas
Tested Bearing : 30BG05S5G-2DS (φ30 x φ55 x 23 mm)
Dimensions
Note : Chinese brand bearing ;- Seals rotate with inner ring in seal groove even before test.- Conventional mineral oil grease is used.- Excessive amount of leaked grease that may cause clutch
engagement problem was observed in pulley after the tests.