SF627zz
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Overview |
|
| Part Number | SF627zz |
Characteristics |
|
| System of Measurement | Metric |
| Bearing Type | Ball |
| Seal Type | Shielded |
| Inner Ring Type | Standard |
| For Load Direction | Radial |
| Construction | Single Row |
| Ball Qty | 7 |
| Tolerance Class | ABEC1 |
Dimensions |
|
| Bore Dia | 7 mm |
| Bore Dia Tolerance | -0.008mm to 0 |
| Outer Dia | 22 mm |
| Outer Dia Tolerance | -0.008mm to 0 |
| Width | 7 mm |
| Width Tolerance | -0.12mm to 0 |
| Ball Dia | 3.969 mm |
| Flange Outer Dia | 25 mm |
| Flange Thickness | 1.5 mm |
| Radial Clearance | 0.005mm to 0.01 mm |
| Radial Clearance Trade No | MC3 |
Material |
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| Ring Material | Stainless Steel |
| Ball Material | Stainless Steel |
| Cage Material | Stainless Steel |
| Shield Material | 300 Series Stainless Steel |
Performance |
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| Dynamic Radial Load | 566 lbf |
| Static Radial Load | 223 lbf |
| Max Speed (X1000 rpm) | 27 |
| Temperature Range | -30° to 110 °C |
Properties |
|
| Lubrication | Required |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 14.4 g |
Metric Size Miniature Flanged Ball Bearings feature stainless steel inner and outer rings that deliver excellent corrosion resistance, hardness, and durability in a compact flanged design. The integrated flange simplifies axial positioning and secure mounting without additional hardware, making these bearings well suited for precision instruments, small motors, medical devices, and office automation equipment where space is limited and reliable performance is essential.
Metric Size Miniature Flanged Ball Bearings with metal shields provide effective protection against dust and light contaminants while allowing grease retention within the bearing cavity, making them ideal for high-speed applications where low torque and minimal friction are required. The integrated flange simplifies axial positioning and secure mounting without additional hardware, making these bearings well suited for precision instruments, small motors, medical devices, and office automation equipment where space is limited and reliable performance is essential.
Metric Size Miniature Flanged Ball Bearings feature stainless steel balls that provide excellent corrosion resistance, hardness, and durability for reliable operation in demanding or moisture-prone environments. The integrated flange simplifies axial positioning and secure mounting without additional hardware, making these bearings well suited for precision instruments, small motors, medical devices, and office automation equipment where space is limited and reliable performance is essential.
How does the flanged design benefit stainless steel miniature ball bearings in corrosive environments?
The integrated flange provides precise axial location and secure housing retention without the need for additional positioning components, reducing potential corrosion points and simplifying assembly in environments where minimizing exposed hardware is important. When the flange is also manufactured from stainless steel, it ensures uniform corrosion resistance across the entire bearing structure, making the assembly more reliable and maintenance-friendly in harsh operating conditions.
What does the shielded configuration mean in Metric Size Miniature Flanged Ball Bearings?
The shielded configuration refers to the use of thin metal shields, typically made of steel, fitted on one or both sides of the bearing to partially enclose the internal components. Unlike rubber seals, metal shields do not make contact with the inner ring, which means they create a non-contact barrier that protects the bearing interior from dust and light contaminants without generating additional friction or heat during operation.
Are stainless steel balls suitable for use in sterilization and hygienic environments?
Yes, stainless steel balls are well suited for sterilization and hygienic environments, which is one of the primary reasons they are widely specified in medical and food processing applications. AISI 440C stainless steel exhibits good resistance to steam sterilization, alcohol-based cleaning agents, and mild disinfectants commonly used in medical and pharmaceutical settings. For more aggressive sterilization processes such as autoclave cycles or exposure to strong acids and alkalis, it is important to verify the compatibility of all bearing components — including the ring material, cage, and lubricant — with the specific sterilization method and chemical agents involved. Selecting food-grade or medical-grade lubricants in conjunction with stainless steel balls further enhances the bearing's suitability for hygienic and cleanroom applications.




