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          Better Chain Performance

          What are some guidelines for better chain performance?

          • FREQUENT LUBRICATION. Bare metal-to-metal contact leads to wear and metal fatigue; therefore, good lubrication is essential to chain performance and life. Manual lubrication (brush or spout can every 8 hours) provides the lowest performance. An oil bath increases the speed limit by 7 to 10 times.

          FEET PER MINUTE

          Lube Type / Chain No: #40 #50 #60 #80 #100 #120 #140 #160
          Type A (manual): 300 250 220 170 150 130 115 100
          Type B (oil bath): 2300 2000 1800 1500 1300 1200 1100 1000
          • THE RIGHT OIL. Oil has to get between the moving parts of the chain to be effective. Smaller chain needs lighter oil; however, increasing temperatures require heavier oil. See the accompanying table.

          OIL VISCOSITY

          Temp / Chain No: #40 #50 #60 #80 #100 #120 #140 #160
          up to 100 F SAE10 SAE10 SAE20 SAE20 SAE30 SAE30 SAE40 SAE40
          101-120 F SAE20 SAE20 SAE30 SAE30 SAE40 SAE40 SAE50 SAE50
          121-140 F SAE30 SAE30 SAE40 SAE40 SAE50 SAE50 SAE60 SAE60

          ? Copyright 2020. McGuire Bearing Company. All Rights Reserved.

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