Isn't there a problem such as accelerating the deterioration when applied to nitrile rubber or fluororubber?

Bell hammer is used for nitrile rubber and fluoro rubber used in the industrial system.
There is no or little effect.
For other effects on rubber, please check the oil resistance table from the following URL.
http://www.suzuki-kikoh.com/data/tech/oilprooftable.pdf?20180730052325