Sferax - GBL 5075-B referenced bearing product produced by high technology. GBL 5075-B became irreplaceable of foundations. GBL 5075-B referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. GBL 5075-B referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.