>> P.280
COMBINED TYPE NEEDLE ROLLER BEARINGSNeedle Roller Bearings with Angular Contact Ball BearingNeedle Roller Bearings with Three-point Contact Ball BearingCrrwDFdrrNATA59Shaft dia. 15-70mmShaft dia. mmAngular contact typeNATA 5902NATA 5903NATA 5904NATA 5905NATA 5906NATA 5907NATA 5908NATA 5909NATA 5910NATA 5911NATA 5912NATA 591315172025303540455055606570Identification numberBoundary dimensionsmmMass (Ref.)g50.555.5111131151250355410420585625665Three-point contact typeNATB 5902NATB 5903NATB 5904NATB 5905NATB 5906NATB 5907NATB 5908NATB 5909NATB 5910NATB 5911NATB 5912NATB 5913Mass (Ref.)g5358.5115136157260375435445615660710d15172025303540455055606570D283037424755626872808590100C18182323232730303034343440B20202525253034343438383845rs min(1)Fw0.30.30.30.30.30.60.60.60.6111120222530354248555863687580NATA 59141 070NATB 59141 130Notes(1) Minimum allowable value of chamfer dimension r (2) llowable rotational speed applies to oil lubrication. For grease lubrication, a maximum of 60% of this value is allowable.Remarks1.The outer ring has an oil groove and an oil hole.2. No grease is prepacked. Perform proper lubrication.G9
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