These bearings consist of an IKO NEEDLE ROLLER CAGE combined with the inner and outer rings, and as they are separable, handling is simple. Also, as oil lubrication is easy, they are suited to high rotational speeds. When using RNAST, it is necessary to use hardened and ground shaft shown in Article as outer ring 1. 1 Classification of needle roller bearings. Needle roller bearings are categorized into the following two groups: ¡Needle roller and cage assembly bearings. ¡Full-complement needle roller bearings. 4. NTN Needle Roller Bearing Handbook. 1. Needle Roller Bearings. 1. Fig. 1.1. 0. 20. 40. 60. 80. Specific load rating. C r/W.
20-9. Dimensional Drawing, Dimensional Table. Model NAST (Separable Type) . 20-10. Model NAST-ZZ (Separable Type, with Side Plates) .. 20-11 The Roller Follower is a compact and highly rigid bearing system. It contains Model RNAST (Separable Type, No Inner Ring) Specification Table⇒20-12. Easy Mounting Type Cam Followers. 6 to 20 mm. Stud diameter. CF-SFU…B. These bearings have a stepped tapered portion on the stud, making mounting easy RNAST. NAST. NART. NART…/SG. NURT. CRY. Separable Roller Followers. Non-separable Roller Followers. C-Lube Roller Followers. Cylindrical Roller IKO. NTN. INA. SKF. NUKR 35. 35. Sealed. 164. 35 16 18 0.6 52. 33. 8 M16x1.5 17 6 3. 1 20. 58. 14250. 15960. 2109. 8170. 15960. 6175. NUKR 35. 35 . 665. 7600. RNAST 8R. NAST 8R. RNAST 8R. NAST 8R. NASTR8. RSTO 8TN. STO 8TN. RNAB2/8. NAB2/8. RSTO 10. 42. STO 10. 49. 10. 30. 14. 20. 11.8. 12. 0.3. Easy Mounting Type Cam Followers. 6 to 20 mm. Stud diameter. CF-SFU…B. These bearings have a stepped tapered portion on the stud, making mounting easy RNAST. NAST. NART. NART…/SG. NURT. CRY. Separable Roller Followers. Non-separable Roller Followers. C-Lube Roller Followers. Cylindrical Roller Nov 22, 2010 NEEDLE BEARINGS - WITHOUT INNER RACE (cont'd). Consolidated. Dimensions. Approx. Interchange. No. (Metric). Wgt. FAG. (lbs.) INA. F. D. B. SKF. IKO. SKF (Old No.) NK-32/30. 32. 42. 30 .250. NK 32/30. TAF 324230. RNA 324230. NK-35/20. 35. 45. 20 .180. NK 35/20. TAF 354520. RNA 354520.
IKO. THK. NSK. KOYO. INA・SKF. TORR. Mc.GILL. Reference page. . ページ. Metric series. ミリ. Miniature metric series. ミニアチュア ミリ. Inc h series インチ. With ca g e. . Full-complement roller/. ころ. With ca g e. . With hexagonal socket/. . With hexagonal socket. . NAST-R, but does not have an inner ring. Since the circumference of the outer ring is spherically ground, it helps lighten a biased load. (symbol R). Model RNAST-R. Model NART-R(Non-separable Type) Specification Table⇒20-13. This model is a non-separable type of bearing system whose inner ring is fixed to the side. RSTO 10 X, 42, STO 10 X, 49, 30, 10, 14, 12, 11.8, 20, 10200, 10500, 8000, 8800, 11000. 32, RSTO 12, 49, STO 12, 57, 32, 12, 16, 12, 11.8, 22, 11300, 12300, 8900, 10100, 9000. RSTO 12 X, 49, STO 12 X, 57, 32, 12, 16, 12, 11.8, 22, 11300, 12300, 8500, 9600, 9000. 35, RSTO 15, 50, STO 15, 63, 35, 15, 20, 12, 11.8, 26 Nov 22, 2010 NEEDLE BEARINGS - WITHOUT INNER RACE (cont'd). Consolidated. Dimensions. Approx. Interchange. No. (Metric). Wgt. FAG. (lbs.) INA. F. D. B. SKF. IKO. SKF (Old No.) NK-32/30. 32. 42. 30 .250. NK 32/30. TAF 324230. RNA 324230. NK-35/20. 35. 45. 20 .180. NK 35/20. TAF 354520. RNA 354520. ROLLER FOLLOWERS. 172. NAST..ZZ (P.186-187). NART (P.188-189). NURT (P.190-191). RNAST (P.182-183). NAST (P.184-185). CAM FOLLOWERS. 112 .. 20. NOSE SEIKO CO.,LTD. 21. NOSE SEIKO CO.,LTD. Average load. Average load Fm which is converted so as to apply even life to each bearing may be used
16. 12. 11. 12. 3050. 3000. 2050. 2400. 22000. NATV 5. 15. NATV 5 PP. 15. 5. 16. 12. 11. 12. 4500. 6300. 3680. 4300. 8500. 19. NATR 6. 20. NATR 6 PP. 20. 6. 19. 12 .. Model explanation. IKO. INA/SKF. With cage. Crowned Roller Dia. Without IR. RNAST..R. RSTO. With IR. NAST..R. STO. Cylindrical Roller Dia. Without IR.
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