620310-2NSE9 Nachi Bearing 0.625 inch ID 5/8" x 40x12 C3 Bearing620310 2NSE9 Nachi Sealed Bearing 5 8" inch x 40mm x 12mm Made in Japan 620310 2NSE9 Nachi Bearing, Made in Japan, the 620310 2NSE9 inner diameter is 5 8" inch, the 620310 2NSE9 outer diameter is 40mm, 620310 2NSE9 width is 12mm. 620310 2NSE9 Nachi Ball Bearing Nachi Deep groove Ball Bearing Radial Clearance: C3 Closures: Double sealed rubber seals RS RS1 2RS1 Dimensions: 5 8" inch x 40mm x 12mm Metric ID (inner diameter) Bore: 5 8" inch OD (outer