The LAH35BNZ NSK is a high-load, low-noise linear guide block from NSK LAH series, equipped with NZ integrated sealing structure. Featuring four-direction equal load capacity, high running accuracy and excellent contamination resistance, it is engineered for heavy-duty continuous linear motion, delivering outstanding stability and durability for precision mechanical systems.
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The LAH35BNZ NSK is a high-load, low-noise linear guide block from NSK LAH series, equipped with NZ integrated sealing structure. Featuring four-direction equal load capacity, high running accuracy and excellent contamination resistance, it is engineered for heavy-duty continuous linear motion, delivering outstanding stability and durability for precision mechanical systems.
Complying with JIS B 6335 industry standards, key dimensions: overall width 90 mm, height 48 mm, mounting hole pitch 62 mm, standard chamfer 1.2×45°, precision grade C2. The optimized NZ full seal prevents dust, moisture and debris intrusion, adapting to complex working environments.
The block body and raceways adopt S53C carbon steel, heat-treated to HRC 60–62 for high rigidity, wear resistance and impact resistance. Rolling balls are made of 100Cr6 bearing steel with superior contact fatigue strength. Glass-fiber reinforced plastic retainer ensures smooth circulation of rolling elements, reducing vibration and noise during operation.
Core manufacturing processes include precision forging, high-precision CNC machining, integral quenching and tempering, raceway grinding and superfinishing. Forging optimizes internal metal structure; professional heat treatment eliminates residual stress; ultra-precision finishing minimizes surface friction, greatly improving motion smoothness and service life.
Calculated per ISO 14728 standard, its rated L10 service life reaches 62,000 km under standard load, rated speed and sufficient lubrication. Main influencing factors include actual load, travel speed, installation parallelism, lubrication condition and ambient environment.
This NSK linear guide block is widely applied in CNC machine tools, automotive production lines, packaging machinery, logistics handling equipment and industrial automation. Its heavy-load performance, high precision and reliable sealing make it ideal for long-cycle reciprocating linear motion.
Lubricate every 220 operating hours with NSK dedicated linear guide grease, filling 0.4–0.6 g each time. Keep rail and block surfaces clean; regularly check movement flexibility and seal status. Replace worn seals immediately once grease leakage or abnormal noise occurs.
Before installation, clean mounting surfaces and check flatness. Align the block with the guide rail gently, fasten bolts with standard torque 28–32 N·m, and control parallelism error within 0.02 mm/m. Perform full-stroke reciprocating test after installation. Wear protective gloves during operation to ensure construction safety.
| BRAND | FONKIN/SKF/FAG/INA/NSK/NTN/TIMKEN/SNR/IKO/KOYO/ASAHI/FYH/THK/HIWIN/PMI |
| BEARINGS NO. | LAH35BNZ NSK |
| TYPE | Linear sliders rails |
| Inner (d) MM | 34 |
| Outer (D) MM | 70 |
| Width (B) MM | 45.5 |
| WEIGHT/KG | 2.1 |
| EAN CODE |
+86-510-6831-3099
No.105, Huixin Road,Yuqi Industrial Park, Huishan District, hunqi Road, Yuqi Town, Wuxi, Jiangsu Province, P.R.CHINA
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