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Home Product 4*7*2.5 Miniature Ball Bearing | High-Speed Motor Bearing | Shielded ABEC-3 Grade | Robotics, Drones, Medical Equipment
4*7*2.5 (motor level)

4*7*2.5 Miniature Ball Bearing | High-Speed Motor Bearing | Shielded ABEC-3 Grade | Robotics, Drones, Medical Equipment

4*7*2.5 miniature bearings
4*7*2.5 spindle bearings
high-speed 4*7*2.5 bearings
4*7*2.5 (motor level)
4*7*2.5 miniature bearings and 4*7*2.5 spindle bearings designed for motor-level applications, featuring high-speed 4*7*2.5 bearings with compact dimensions, precision performance, and durability. Ideal for miniature machinery or high-accuracy mechanical systems requiring reliable high-speed operation.
Categories:Power Transmission
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Product Description

The 4*7*2.5 miniature bearings are precision-engineered components designed for high-speed applications, featuring a compact size of 4mm inner diameter, 7mm outer diameter, and 2.5mm thickness. As 4*7*2.5 spindle bearings, they support direct integration with motor shafts or rotary modules, operating within a voltage range of 3-24V DC and a temperature tolerance of -30°C to 120°C. Ideal for robotics, medical devices, and micro-machinery, these high-speed 4*7*2.5 bearings utilize advanced materials like stainless steel or ceramic for reduced friction and noise. Their lightweight design enables RPM ratings up to 30,000, though axial load capacity remains moderate. Compatible with compact drive systems, they excel in space-constrained environments requiring precision motion control.
Parameter Specification
Dimension Parameters Inner Diameter: 4mm | Outer Diameter: 7mm | Width: 2.5mm
Material Specification Inner/Outer Ring: SUS440C Stainless Steel | Cage: Nylon 66/Copper
Seal Type ZZ (Non-contact Metal Shield) or 2RS (Rubber Seal)
Lubrication Grease (MIL-G-81322) or Oil Lubrication
Speed Performance High-Speed Capacity: 60,000 RPM (Grease) | 80,000 RPM (Oil)
Load Capacity Dynamic: 220N | Static: 96N
Temperature Range -30°C to +120°C (Standard)
Radial Clearance C0: 0.002-0.008mm | C2: 0.006-0.013mm
Applications 4*7*2.5 miniature bearings for micro motors, 4*7*2.5 spindle bearings for precision instruments, high-speed 4*7*2.5 bearings for robotics
question:Do you have a professional product selection engineering team?
answer:Yes, we have a dedicated team specialized in market analysis and product selection to ensure optimal choices.
question:Can shipments apply for low-value declaration?
answer:Low-value declaration depends on destination customs regulations; we assist in compliant processing.
question:Can you provide shipment photos and procurement dates for similar products?
answer:We can share non-sensitive product photos and basic info, but confidential details are restricted.
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:Do you have a professional product selection engineering team?
answer:Yes, we have a dedicated team specialized in market analysis and product selection to ensure optimal choices.
question:Can shipments apply for low-value declaration?
answer:Low-value declaration depends on destination customs regulations; we assist in compliant processing.
question:Can you provide shipment photos and procurement dates for similar products?
answer:We can share non-sensitive product photos and basic info, but confidential details are restricted.
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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