CF35-08 Solid Shaft Single Flange Magnetic Fluid Seal Assembly

Category: Solid-axis double-flange type

This product employs high-purity magnetic fluid and precision shaft assembly manufacturing processes, and is compatible with CF35 standard vacuum flanges and vacuum drive chambers. It is designed for rotary power transmission, dynamic sealing and isolation, and shaft centering support in vacuum environments, offering outstanding features such as superior high-vacuum sealing, low start-up torque, smooth operation, resistance to extreme temperatures, immunity to dust-induced corrosion, and long-term stable performance. It is widely used in vacuum coating systems, research and experimental equipment, precision measurement instruments, semiconductor manufacturing equipment, and various other applications requiring vacuum rotary transmission.

Overview

Technical Specifications

This product is a high-performance rotary dynamic sealing device specifically developed to meet the demands of power transmission in high-vacuum environments. With “zero leakage, long service life, and precise stability” as its core design objectives, it also emphasizes compactness and practicality, making it ideally suited for the diverse vacuum experimental setups found in university and research institute laboratories as well as corporate R&D facilities. It provides stable and reliable hardware support for the rotary shaft dynamic seals of equipment such as magnetron sputtering systems and vacuum coating machines.
Key features:
1. Industry-Leading Zero-Leak Sealing: Utilizing magnetic fluid sealing technology to achieve wear-free, zero-leak dynamic sealing between the shaft and the chamber, completely eliminating vacuum leakage losses, maintaining the ultimate vacuum level of high-vacuum chambers, and providing a stable vacuum environment for coating processes.
2. Precision and High-Efficiency Operation: Featuring high-precision bearings and optimized magnetic circuit design, the system delivers stable, ripple-free rotational speed, ensuring superior coaxial alignment and power transmission efficiency—making it ideally suited to meet the rotational drive requirements of various precision vacuum processes.
3. Convenient and Easy-to-Use Adaptation: Equipped with a standard CF35 flange interface and a single-flange design for effortless installation, eliminating the need for additional adapter components. It can be directly matched with vacuum chambers of corresponding specifications, enabling even novice users to complete installation and commissioning quickly.
4. High adaptability for laboratory use: compact, miniaturized design that is small in size, robust and durable, requires minimal floor space, is easy to maintain, and can be readily integrated into various vacuum equipment chambers and benchtop configurations.

Specifications External dimensions Bearing model
D1 D2 D3 D4 n-φd L1 L2 L3 L4
SR10 10h7(0.015) 50 68 85 4-φ7 135 85 25 8 6201
SR12 12h7(0.018) 53 73 90 4-φ9 135 85 25 10 6202
SR16 16h7(8.018) 65 85 105 4-φ9 155 105 25 10 6204
SR20 20h7(0.021) 70 90 110 6-φ9 170 110 30 12 6205
SR25 25h7(0.021) 80 100 120 6-φ9 175 115 30 12 6206
SR30 30h7(0.021) 92 110 130 6-φ9 188 118 35 12 6207
SR35 35h7(0.025) 100 125 145 6-φ11 192 122 35 15 6208
SR40 40h7(0.025) 105 130 150 6-φ11 208 128 40 15 6209
SR45 45h7(0.025) 110 135 155 8-φ11 220 130 45 15 6210
SR50 50h7(0.025) 120 145 165 8-φ11 240 140 50 15 6211
SR55 55h7(0.03) 130 160 185 8-φ13 255 145 55 18 6212
SR60 60h7(0.03) 140 170 195 8-φ13 270 150 60 18 6213
SR65 65h7(0.03) 145 175 200 8-φ13 285 155 65 18 6214
SR70 70h7(0.03) 150 180 205 8-φ13 300 160 70 18 6215
SR75 75h7(0.03) 165 200 235 8-φ17 310 170 70 20 6216
SR80 80h7(0.03) 180 215 250 8-φ17 320 180 70 20 6217
SR85 85h7()) 190 225 260 8-φ17 350 190 80 20 6218

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