9.3.4.3 Explosion hazard due to overheating of the rolling bearings
WARNING
Explosion hazard due to overheating of the rolling bearings
If the rolling bearings are not regularly regreased, local overheating may be possible, and, as a
consequence, an explosion in an explosive atmosphere. This can result in death, serious injury
or material damage.
• Regrease the rolling bearings regularly according to the lubrication plate.
• Implement bearing temperature monitoring if not yet in existence.
9.3.5 Shaft sealing, mounting dimensions and alignment
Mounting dimension "x" of V rings
Shaft height x
mm
63 ... 71 4.5 ±0.6 Standard design
Special design
80 ... 112 6 ±0.8
132 ... 160 7 ±1
180 ... 225 11 ±1
250 ... 315 13.5 ±1.2
• Extreme caution and attention to the correct positioning are vital during installation and
assembly.
• Make sure the sealing surface is free of dirt and damage.
• Lightly grease the sealing lips.
Maintenance
9.3Corrective maintenance
1MB..1/2/3/4 - shaft heights 63 ... 355
Operating Instructions, 11/2023, A5E52779900A 133
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