The INA SL12916-A is a premium full complement cylindrical roller bearing designed for heavy radial load, low-speed and high-rigidity industrial operation. As a widely trusted INA cylindrical roller bearing, the SL12916-A features non-locating structure, dense roller arrangement and robust mechanical strength, ideal for harsh working conditions requiring extreme load capacity and long-term stable performance.
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The INA SL12916-A is a premium full complement cylindrical roller bearing designed for heavy radial load, low-speed and high-rigidity industrial operation. As a widely trusted INA cylindrical roller bearing, the SL12916-A features non-locating structure, dense roller arrangement and robust mechanical strength, ideal for harsh working conditions requiring extreme load capacity and long-term stable performance.
Strictly manufactured per DIN and ISO standards, the precise dimensions of SL12916-A are: bore 80 mm, outer diameter 110 mm, overall width 30 mm, minimum chamfer 1.0 mm, with standard PN tolerance grade and optimized internal clearance for heavy-duty operation.
Structural components adopt high-performance bearing steel. Inner ring, outer ring and cylindrical rollers are made of 100Cr6 high-carbon chromium steel, heat-treated to HRC 60–64 hardness, delivering excellent wear resistance, contact fatigue resistance and dimensional stability. The integrated steel retaining structure ensures reliable roller positioning, enhancing impact resistance under fluctuating loads.
Key production processes include precision die forging, high-precision CNC turning, vacuum quenching and tempering, raceway precision grinding and roller superfinishing. Each procedure strictly controls surface roughness and geometric tolerance, eliminating internal stress, reducing friction coefficient and extending overall service life for the INA SL12916-A bearing.
Calculated in accordance with ISO 281 international life standard, the L10 service life of SL12916-A reaches over 23,000 hours under standard working conditions. Operating load, rotational speed, lubrication quality, installation accuracy and environmental contamination are the decisive factors affecting long-term service performance.
This heavy-duty roller bearing serves core industries including machine tools, engineering machinery, mining equipment, wind power machinery and industrial gearboxes. Its full complement design provides maximum radial load capacity, making it perfectly suited for gear transmission, heavy conveyor systems and low-speed heavy-load mechanical assemblies.
For daily maintenance, use NLGI 2 extreme pressure lithium grease with 35%–45% cavity filling. Regular lubrication service is required every 600 operating hours. Keep mounting surfaces clean and dry; regularly inspect temperature, vibration and running noise, and replace the bearing in time if scratching, deformation or seal failure occurs.
During installation, clean and deburr shafts and housings thoroughly. Adopt press or thermal assembly methods, avoid direct hammer impact, and control coaxiality error within 0.05 mm. Follow standard fastening torque and conduct 30-minute no-load test operation after installation to confirm smooth rotation and qualified assembly quality.
| BRAND | INA/FONKIN/SKF/FAG/NSK/NTN/TIMKEN/ZKL/PEP/KOYO/TSUBAKI |
| BEARINGS NO. | SL12916-A INA |
| TYPE | Cylindrical Roller Bearing Multi Row |
| Inner(d)mm | 80 |
| Outer(D)mm | 110 |
| Width(B)mm | 57 |
| WEIGHT/KG | 1.63 |
| EAN CODE | 4054365 571138 |
+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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