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NA、RNA. TAFI、TAF. TRI、TR. BRI、BR. GTRI、GTR. GBRI、GBR. NAF、RNAF. NAU. NAG. TRU. NAS. NTB. AZK、AZ. NAXI、NAX. NBXI、NBX. NATA. NATB. Bearings can be roughly classified into radial bearings and thrust bearings according to applicable load direction. Radial Bearings are grouped into Shell Type NeedleBasic Dynamic Load Rating and Life. A 17. Machined Type Needle Roller Bearings. NA・TAFI・TRI・BRI. D 1. Basic Static Load Rating and Static Safety Factor. A 21 Basic dynamic load rating Basic static load rating C C0 Allowable rotational speed(2) N N rpm Assembled inner ring 45 NA 4909UU ─ NA 4909U ─ ─ NA

NA、RNA. TAFI、TAF. TRI、TR. BRI、BR. GTRI、GTR. GBRI、GBR. NAF、RNAF. NAU. NAG. TRU. NAS. NTB. AZK、AZ. NAXI、NAX. NBXI、NBX. NATA. NATB. Bearings can be roughly classified into radial bearings and thrust bearings according to applicable load direction. Radial Bearings are grouped into Shell Type NeedleOperating them without lubrication will increase the wear of the rolling contact surfaces and shorten their lives. Table 5 Bearings with prepacked grease. Bearing type. Metric series. Inch series. Metric series. Inch series. Caged Needle Roller Bearings. Guide Needle Roller Bearings. RNA，NA. TR，TRI. TAF，TAFI，TAF/SG.

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