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Features. Double row angular contact ball bearings are units with solid inner and outer rings and ball and cage assemblies with polyamide or sheet steel cages. Their construction is similar to a pair of single row angular contact ball bearings in an O arrangement but they are narrower to a certain extent. The bearings are
0. 0. ＋0.013 incl high low. Tolerance, mm h6. Housing Bore. Metric. F, FJ. FJL. B, BH,. J, JH,. Y, YH. Inch. J7. J7. Table 4 Recommended Fits. Fig. 2 Example of Jig B 57. NSK NEEDLE BEARING. DRAWN CUP NEEDLE ROLLER BEARINGS. B 56. Sealed Type With Cage. FJT. (Open Type ○ One-Side). Sealed Type.
JH. mm over B. the fitting tolerances of the shaft and housing bore should be f6 and R7.25 mm (Min.NSK NEEDLE BEARING DRAWN CUP NEEDLE ROLLER BEARINGS MOUNTING Table 3 Permissible Shaft Inclination Bearing Width (mm) over 25 Permissible Inclination (mm/mm) incl With Cage Full Complement 25
NSK drawn cup needle roller bearings (caged and full-complement types) have a unique outer ring structure including the following features: the .. J-57. 7.938. 12.7. 11.13. 3 900. 1 790. ➃. JH-57. 7.938. 14.288. 11.13. 4 700. 1 950. ➃. FJ-88-2. 8. 12. 8. 2 580. 1 150. ➅. DB500801. 8. 12. 9.5. 2 840. 1 270. ➃. FJ-810W. 8. 12.