Deep Groove Ball Bearing
SMR105ZZ is a high-performance miniature deep-groove ball bearing, ideal for precision devices. Its dimensions are 5mm (inner diameter),
10mm (outer diameter), and 4mm (thickness), fitting tight spaces perfectly.
Product name：SMR105ZZ
Size：5x10x4 mm
Weight: 0.0013KG
Specification
SMR105ZZ miniature deep groove ball bearings are high-precision bearings made of 440C stainless steel, featuring metal dust shields on both sides and pre-lubrication. They are suitable for high-speed, compact applications such as micro drones and precision instruments.
Technical parameter:
Model Number | SMR105ZZ |
| Size | 5x10x4 mm |
| Weight | 0.0013KG |
| Material | Gcr15 chrome steel |
| Clearance | C2 C0 C3 C4 |
| Precision Grade | p0 p6 p5 p4 |
| Dynamic Load Rating | 430 lbf |
| Static Load Rating | 169 lbf |
| Max Speed (Grease Lubrication) | 82000 RPM |
| Shield Type | ZZ |
| Lubrication | Pre-lubricated with High-Performance Grease |
| Temperature Range | -20°C to +120°C |
| Lead Time | In stock: 3-5 work days. Customize: 20-30 work days |
Made from premium GCr15 bearing steel with a metal dust cover, it resists contaminants, boosting durability. It handles 462N dynamic load and 219N static load,reaching 40,000rpm
(grease-lubricated) or 48,000rpm (oil-lubricated). Operating in -30°C to110°C, it suits diverse environments.
With ABEC-1 precision, it runs stably and quietly. Widely used in electronics manufacturing, reducers, and welders, it offers reliablesupport at great value, making it a top choice for
precision machinery.
Related Products
| Model No. | d | D | H | m |
| SMR63-2Z | 3 mm | 6 mm | 2.5 mm | 0.28 g |
| SMR83-2Z | 3 mm | 8 mm | 3 mm | 0.67 g |
| SMR74-2Z | 4 mm | 7 mm | 2.5 mm | 0.33 g |
| SMR84-2Z | 4 mm | 8 mm | 3 mm | 0.54 g |
| SMR104-2Z | 4 mm | 10 mm | 4 mm | 1.33 g |
| SMR85-2Z | 5 mm | 8 mm | 2.5 mm | 0.34 g |
| SMR95-2Z | 5 mm | 9 mm | 3 mm | 0.58 g |
| SMR105-2Z | 5 mm | 10 mm | 4 mm | 1.26 g |
| SMR115-2Z | 5 mm | 11 mm | 4 mm | 0.81g |
| SMR106-2Z | 6 mm | 10 mm | 3 mm | 0.7 g |
| SMR126-2Z | 6 mm | 12 mm | 4 mm | 1.66 g |
| SMR117-2Z | 7 mm | 11 mm | 3 mm | 0.71 g |
| SMR128-2Z | 8 mm | 12 mm | 3.5 mm | 0.99 g |
Main uses
It supports small motors, electronic devices (gimbals), packaging/agricultural machinery, and transmission shafts via radial/axial load resistance. Its precision enhances instruments, medical devices, automotive gearboxes, yo-yos, and roller skates with reliable rotation.
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