NJ208EG Nachi Cylindrical Roller Bearings, Nylon Cage, Made in Japan, the NJ208EG inner diameter is 40mm, the NJ208EG outer diameter is 80mm, NJ208EG width is 18mm. Item: NJ208EG Cylindrical Roller Bearing Type: Nachi Cylindrical Roller Bearing Cage: Nylon Cage Dimensions: 40mm x 80mm x 18mm/Metric ID (inner diameter)/Bore: 40mm OD (outer diameter): 80mm Width/Height/thickness: 18mm Size: 40 x 80 x 18 mm Quantity: One Bearing Dynamic load rating Cr: 55,500 N Static load rating Cor: 55,500 N Limiting Speed: Grease Lubrication: 9,500 RPM Oil Lubrication: 9,000 RPM Made in Japan