Page 10 - SKF-Food-Line-ball-bearing-units
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Bearing grease                                                         Allergens and allergen categories
                                                                                  •  Cereals containing gluten, namely: wheat
           All units are lubricated for life with NSF-approved, SKF food-grade     (such as spelt and khorasan wheat), rye,
                                                                                   barley, oats
           grease for relubrication-free operation  The high-quality grease is    •  Crustaceans for example prawns, crabs,
                                                                                   lobster, crayfish
           registered by NSF as a category H1 (lubricant acceptable for use in    •  Eggs                           Product introduction
                                                                                  •  Fish
           applications where there is potential for incidental food contact)     •  Peanuts
                                                                                  •  Soybeans
                                                                                  •   Milk (including lactose)
                                                                                  •   Nuts; namely almonds, hazelnuts, walnuts,
                                                                                   cashews, pecan nuts, Brazil nuts, pistachio
                                                                                   nuts, macadamia (or Queensland) nuts
                                                                                  •   Celery (including celeriac)
                                                                                  •   Mustard
           The grease has been selected because it   The technical specifications of this grease   •   Sesame       A
           provides good resistance to the separation of   are listed in table 2   •   Sulphur dioxide/sulphites, where added
                                                                                   and at a level above 10 mg/kg or 10 mg/L
           the base oil and the thickener in the pres-                             in the finished product  This can be used as
           ence of detergent  Greases without this   The grease contains no ingredients from the   a preservative in dried fruit
           enhanced resistance can separate, resulting   14 allergens and allergen categories that   •  Lupin, which includes lupin seeds and flour
                                                                                   and can be found in types of bread, pas-
           in loss of oil past the seal, then loss of lubri-  must be declared in food products and is   tries and pasta
           cation to the seal lips           also free from traces of beef, pork and   •   Molluscs like, mussels, whelks, oysters,
                                             chicken  Additional certifications for the   snails and squid
           This can lead to scoring damage to the mat-  grease have been secured from AMERICAN
           ing surface on the inner ring shoulder  The   HALAL FOUNDATION (AHF) and 1K Kosher
           NSF registration confirms this SKF grease
           fulfils the requirements listed in the US Food
           and Drug Administration’s guidelines under
           21 CFR section 178 3570






                                                                                                          Table 2
            Technical specifications of the SKF GFM grease for Food Line ball bearing units
            Temperature range 1)        Thickener  Base      NLGI       Base oil viscosity  Grease performance factor
                                                   oil type  consist ency    [mm 2 /s]      (GPF)
                                                             class      at 40 °C  at 100 °C
                                                                        (104 °F)  (212 °F)
            –50  0  50 100 150 200 250 °C

                                        Calcium    Mineral   2          113,0    5,8        1,5
                                        Sulfonate
                                        Complex
            –60  30 120 210 300 390 480 °F


            1)   Refer to SKF catalogue Rolling bearings – the SKF traffic life concept


            Grease effectiveness
            In SKF testing, droplets of detergent were injected into the test
            bearings using a peristaltic pump  The results showed a good
            resistance to degradation in the presence of detergent












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