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Product Parameter
Details Bearing number Boundary Dimensions（mm) Load ratings(KN) Limiting Speeds(r/min) Weight(kg)
New Old d D B Fw Cr Cor Grease Oil
?NA6909A 6534909 45 68 40 52 70.4 137 5300 7500 0.544
NA5910A.R200.250.S3 - 50 72 30 58 61.6 110 - 7900 0.375
NA6910 6254910 50 72 40 58 73.7 150 5000 7000 0.515
NA6910A 6534910 50 72 40 58 73.7 150 5000 7000 0.515
NA6910A.R200.250.S3 - 50 72 40 58 73.7 150 5000 7000 0.535
NA6910C4.S3 - 50 72 40 58 73.7 150 5000 7000 0.535
NA5912 - 60 85 34 68 79.2 150 - 6800 0.587
NA6912 6254912 60 85 45 68 93.5 204 4300 6000 0.808
NA6912A 6534912 60 85 45 68 93.5 204 4300 6000 0.808
NA5913/C4.S3 - 65 90 34 72 85.4 158 - 6400 0.613
NA6913/C4.S3 - 65 90 45 72 98.4 190 - 6400 0.798
NA6913A.R200.250.S3 - 65 90 45 72 98.4 190 - 6400 0.798
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Memo：
As there is no retainer ring for the inner ring of the bearing, the inner and outer rings can be installed separately. Its structure disables to limit the axial displacement of itself and its shell and only enables to bear the radial load. Its ring is usually not reserved with lubrication hole. If required by the client, the hole may be processed in the inner or outer ring. After high-temperature tempering treatment of its components, the bearing can work normally at about 300℃