|
| Place of Origin: | Japan |
| Brand Name: | EZO |
| Certification: | ISO 9001 2000 |
| Model Number: | SMF128ZZ |
EZO SMF128ZZ is a high-precision stainless steel miniature flanged deep groove ball bearing manufactured by EZO (Kitanihon Seiki, Japan).
It features a compact design with an integrated outer-ring flange and double metal shields (ZZ), providing effective protection against dust and foreign particles while retaining lubrication inside the bearing.
With an 8 mm bore, 12 mm outside diameter, and 3.5 mm width, this miniature bearing is suitable for precision instruments, small electric motors, office automation equipment, medical devices, and other applications requiring compact dimensions, high rotational speed, and reliable performance.
Item |
Specification |
|---|---|
Brand |
EZO |
Model |
SMF128ZZ |
Origin |
Japan |
Bearing Type |
Miniature Deep Groove Ball Bearing |
Structure |
Single Row |
Design |
Flanged |
Inner Diameter (d) |
8 mm |
Outer Diameter (D) |
12 mm |
Width (B) |
3.5 mm |
Flange Outer Diameter |
13.6 mm |
Flange Thickness |
0.8 mm |
Rolling Elements |
Steel Balls |
Ball Quantity |
12 |
Ball Diameter |
1.2 mm |
Material |
Stainless Steel |
Shield Type |
Double Metal Shields (ZZ) |
Dynamic Load Rating (Cr) |
463 N |
Static Load Rating (Cor) |
219 N |
Limiting Speed (Grease) |
46,000 rpm |
Limiting Speed (Oil) |
54,000 rpm |
Weight |
Approx. 0.79 g |
Stainless Steel Construction: Provides good corrosion resistance and durability.
Flanged Design: Integrated flange allows convenient mounting and axial positioning.
Double Metal Shields: ZZ protection helps prevent dust and small contaminants from entering the bearing.
High-Speed Performance: Suitable for miniature mechanisms requiring high rotational speeds.
Low Friction: Precision ball and raceway design supports smooth and quiet operation.
Compact Structure: Ideal for equipment with limited installation space.
Precision Manufacturing: Designed for stable rotation and reliable performance.
.
| d (mm) | Dr (mm) | B (mm) | Cr (kN) | Cor (kN) | Bearing No. |
|---|---|---|---|---|---|
| 18 | 32.300 | 20.5 | 24.1 | 25.7 | CPM 2699 |
| 22 | 36.200 | 30.0 | 47.5 | 68.8 | CPM 2435 |
| 22 | 38.750 | 22.5 | 34.6 | 38.1 | CPM 2535 |
| 22 | 38.750 | 22.5 | 34.6 | 38.1 | CPM 2834 |
| 24 | 40.250 | 26.0 | 44.0 | 59.8 | CPM 2400 |
| 24 | 40.250 | 34.0 | 53.3 | 76.4 | CPM 2597 |
| 25 | 40.250 | 26.0 | 44.0 | 59.8 | CPM 2686 |
| 25 | 40.250 | 32.0 | 53.3 | 76.4 | CPM 2613 |
| 28 | 44.450 | 34.0 | 70.8 | 99.8 | CPM 2776 |
| 30 | 46.400 | 32.0 | 73.2 | 105.7 | CPM 2594 |
| 30 | 48.250 | 40.0 | 85.8 | 131.6 | CPM 2687 |
| 30 | 49.600 | 26.0 | 57.0 | 70.3 | CPM 2510 |
| 30 | 49.600 | 24.0 | 50.8 | 60.6 | CPM 2178 |
| 30 | 49.600 | 25.0 | 50.8 | 60.6 | CPM 2651 |
| 30 | 49.600 | 26.0 | 57.1 | 70.4 | CPM 2198 |
| 30 | 49.600 | 30.0 | 69.1 | 90.0 | CPM 2683 |
| 32 | 46.600 | 25.0 | 54.3 | 82.5 | CPM 2508 |
| 32 | 46.600 | 28.0 | 54.3 | 82.5 | CPM 2183 |
| 32 | 46.600 | 28.0 | 54.3 | 82.5 | CPM 2439 |
| 32 | 48.240 | 34.0 | 76.0 | 112.0 | CPM 2668 |
| 32 | 51.750 | 25.0 | 59.1 | 74.7 | CPM 2496 |
| 32 | 51.750 | 29.0 | 71.5 | 95.5 | CPM 2579 |
| 34 | 50.200 | 29.0 | 66.7 | 96.6 | CPM 2634 |
| 35 | 49.800 | 28.0 | 56.8 | 89.7 | CPM 2434 |
| 35 | 52.090 | 26.5 | 56.6 | 79.4 | CPM 2723 |
| 35 | 55.520 | 36.0 | 83.6 | 113.6 | CPM 2470 |
| 35 | 55.520 | 36.0 | 83.6 | 113.6 | CPM 2520 |
| 35 | 55.520 | 36.0 | 83.6 | 113.6 | CPM 2706 |
| 35 | 59.190 | 27.0 | 68.4 | 85.5 | CPM 2721 |
| 35 | 64.300 | 26.5 | 72.9 | 95.7 | CPM 2528 |
| 38 | 52.950 | 28.0 | 59.2 | 97.0 | CPM 2164 |
| 38 | 52.950 | 29.5 | 59.2 | 97.0 | CPM 2504 |
| 38 | 52.950 | 29.5 | 59.2 | 97.0 | CPM 2806 |
| 38 | 54.686 | 29.5 | 56.9 | 86.7 | CPM 2464 |
| 38 | 54.690 | 29.5 | 63.0 | 99.0 | CPM 2458 |
| 38 | 57.910 | 38.0 | 106.0 | 156.0 | CPM 2669 |
| 40 | 57.810 | 34.0 | 96.0 | 141.0 | CPM 2827 |
| 40 | 60.680 | 31.0 | 80.8 | 118.1 | CPM 2729 |
| 40 | 61.740 | 28.0 | 70.6 | 90.6 | CPM 2188 |
| 40 | 61.740 | 35.5 | 100.0 | 140.0 | CPM 2650 |
| 42 | 60.750 | 37.0 | 100.7 | 156.9 | CPM 2412 |
| 42 | 60.750 | 37.0 | 107.2 | 169.7 | CPM 2777 |
| 44 | 61.600 | 34.0 | 90.1 | 153.0 | CPM 2592 |
| 44 | 62.970 | 37.0 | 103.5 | 164.4 | CPM 2401 |
| 45 | 61.550 | 32.0 | 77.3 | 125.7 | CPM 2559 |
| 45 | 61.550 | 36.0 | 90.0 | 153.0 | CPM 2425 |
| 45 | 65.020 | 34.0 | 94.3 | 140.4 | CPM 2647 |
| 45 | 66.850 | 37.5 | 105.8 | 156.7 | CPM 2722 |
| 45 | 66.850 | 37.5 | 123.0 | 157.0 | CPM 2828 |
| 45 | 83.880 | 85.0 | 268.0 | 393.9 | CPM 2619 |
| 46 | 69.500 | 45.0 | 145.0 | 207.0 | CPM 2807 |
| 50 | 67.280 | 32.0 | 75.7 | 145.2 | CPM 2530 |
| 50 | 67.360 | 40.0 | 109.0 | 201.0 | CPM 2720 |
| 50 | 69.580 | 40.0 | 118.0 | 202.0 | CPM 2719 |
| 50 | 69.670 | 32.0 | 89.1 | 141.0 | CPM 2492 |
| 50 | 69.670 | 37.5 | 111.2 | 186.9 | CPM 2609 |
| 50 | 72.050 | 37.0 | 111.7 | 172.5 | CPM 2466 |
| 50 | 72.330 | 40.0 | 130.9 | 194.3 | CPM 2190 |
| 50 | 72.330 | 40.0 | 130.9 | 194.3 | CPM 2465 |
Precision measuring instruments
Small electric motors
Medical equipment
Office automation equipment
Computer peripherals
Robotics and miniature mechanisms
Cooling fans and micro-motors
Optical instruments
If you want to buy the SMF128ZZ miniature ball bearing, just contact us. We are a professional supplier of CPM series cylindrical roller bearings.
Email: sales@transmission-chain.com
WhatsApp: 008615006175975
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