View Our Line Card All Categories > Roller Bearings > Needle Roller Bearings > Metric Needle Roller Bearings > NA 4900 Style Standard Needle Roller Bearings > Advanced Search Advanced Search in NA 4900 Style Standard Needle Roller Bearings Metric Specifications (d) Bore Diameter (mm) At Least : No More Than : Available Range: 10 to 140 (D) Outside Diameter (mm) At Least : No More Than : Available Range: 22 to 190 (B) Width (mm) At Least : No More Than : Available Range: 13 to 50 Clear Cancel Advanced Search