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RNA4904 needle roller bearing (machined ring, no inner ring) envelope

RNA4904 needle roller bearing (machined ring, no inner ring) envelope: roller-set bore Fw Ø25, OD Ø37, width 17; one solid ring, corners rounded at r min 0.3; the bore is the inscribed circle of the needles, not a machined bore; no needles, cage or lubrication hole; nominal values

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

bearingRNA4904
roller-set bore Fw, mm25
OD D, mm37
width C, mm17
r min, mm0.3
sourceKoyo + Emerson
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From the full sheet

Needle roller bearings NK, NKS, RNA4900 (NK10/16, NK20/20, RNA4904 and more): Fw, OD, width, r min + 14 ring-envelope STEP/STL files: every size, notes, mating features and sources. What are the dimensions of an NK 10/16, NK 20/20, RNA4900, RNA4904 or RNA4905 needle roller bearing: roller-set bore Fw, outside diameter, width and chamfer?

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