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CrrRNA49 … UURNA69 … UU(Fw≦35)FwDIdentification numberMass (Ref.)Boundary dimensionsmmShaft dia. 14-45mmShaft dia.mm202225283032354042With two sealsWith one sealWith two sealsWith one seal14 RNA 4900UURNA 4900U16 RNA 4901UU─RNA 4901U─18 RNA 49/14UURNA 49/14U RNA 4902UU─RNA 4902U─── RNA 6901UU── RNA 6902UU RNA 4903UU─RNA 4903U── RNA 6903UU RNA 4904UU─RNA 4904U── RNA 6904UU──RNA 6901U──RNA 6902U─RNA 6903U─RNA 6904U RNA 49/22UU─RNA 49/22U── RNA 69/22UU─RNA 69/22U RNA 4905UU─RNA 4905U── RNA 6905UU─RNA 6905U63111 RNA 49/28UU─RNA 49/28U── RNA 69/28UU─RNA 69/28U RNA 4906UU─RNA 4906U── RNA 6906UU─RNA 6906U RNA 49/32UU─RNA 49/32U── RNA 69/32UU─RNA 69/32U RNA 4907UU─RNA 4907U── RNA 6907UU─RNA 6907U45 RNA 49/38UURNA 49/38U──FwD14161618202022222525282830303232353540404242452224242628283030373739394242454547475252555558(1)rs min0.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.60.60.60.60.6C1313221313231323173017301730173017302036203620gg16.317.93019.721.537.52340.554.595.555.597.575.51337112594.5170112200119Notes(1)Minimum allowable value of chamfer dimension r (2)Allowable rotational speed applies to grease lubrication.Remarks1.The outer ring has an oil groove and an oil hole.2. earings are provided with prepacked grease. Bearings with a seal on one side are not provided with prepacked grease. Perform proper lubrication for use.D55MACHINED TYPE NEEDLE ROLLER BEARINGSWith Seal, Without Inner Ring
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