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Home Product 8x28x9 Precision Grade Bearing | MR84 Miniature Ball Bearing ABEC-1 Radial
8*28*9 (precision grade)

8x28x9 Precision Grade Bearing | MR84 Miniature Ball Bearing ABEC-1 Radial

8x28x9 precision bearings
8x28x9 ABEC5 bearings
8x28x9 thin section bearings
8*28*9 (precision grade)
8x28x9 precision bearings, thin section design, ABEC5 rated for high accuracy applications. Compact, lightweight, suitable for precision machinery and instrumentation. 8x28x9 ABEC5 bearings ensure smooth rotation with minimal friction. 8x28x9 thin section bearings optimize space-critical assemblies.
Categories:Power Transmission
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Product Description

The 8x28x9 precision bearings are compact, high-performance components designed for applications requiring minimal space and exceptional accuracy. With dimensions of 8mm inner diameter, 28mm outer diameter, and 9mm thickness, these 8x28x9 thin section bearings feature an ABEC5 precision grade, ensuring low noise, reduced friction, and smooth operation under radial and axial loads. Ideal for robotics, medical devices, aerospace systems, and industrial automation, they support high-speed rotations (up to 12,000 RPM) and operate within a temperature range of -30°C to +120°C. The 8x28x9 ABEC5 bearings excel in compact assemblies due to their slim profile, while their hardened steel construction enhances durability. However, precise alignment during installation is critical to avoid premature wear. These bearings often integrate with servo motors, encoders, and rotary tables, offering compatibility with standard lubrication methods and optional shielding for contamination protection.
Parameter Specification
Bore Diameter (d) 8 mm
Outer Diameter (D) 28 mm
Width (B) 9 mm
Precision Grade ABEC5
Bearing Type Thin Section Ball Bearing
Material 52100 Chrome Steel/Stainless Steel
Dynamic Load Capacity 900-1100 N
Static Load Capacity 500-650 N
Max RPM (Grease) 12,000-15,000
Cage Material Nylon/Steel/Brass
Sealing Open/Non-contact Seal
Radial Clearance C0-C3 (2-8 µm)
Applications Robotics, Medical Devices, Aerospace
question:What payment methods do you support?
answer:We accept TT, PayPal, and Wire Transfer for payments.
question:Can we apply for low value declaration on shipments?
answer:Low value declaration is available for eligible shipments upon request.
question:How do you handle shipping?
answer:We ship via DHL, FedEx, UPS, and other major carriers globally.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:What payment methods do you support?
answer:We accept TT, PayPal, and Wire Transfer for payments.
question:Can we apply for low value declaration on shipments?
answer:Low value declaration is available for eligible shipments upon request.
question:How do you handle shipping?
answer:We ship via DHL, FedEx, UPS, and other major carriers globally.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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