Catalog: Precision Rolling Bearings
Company/Brand: NTN Corporation Japan
dba in Precision Rolling Bearings by NTN Corporation Japan
employed the noise is reduced by 6 to 8 dba example in the high-speed region in ... 10,000 min-1 noise is reduced by 6 to 8 dba fig 8.11 test conditions test bearing ... pressure preloading noise value dba 110 100 90 80 70 60 0 hsfl type hsf ...
reduces noise reduction of 2 to 8 dba air consumption reduction of 50 to 75 ... -1 the noise level of the hsl type is 6 dba to 8 dba lower than that of the ... pressure preloading noise value dba 110 100 90 80 70 60 0 5000 10000 15000 ...
has led to lower noise level up to 7 dba 50 reduction in air consumption 50 ...
