As an Amazon Associate, we earn from qualifying purchases. NTN . 304 NTN . 304 Gallery Attributes Brand name, Manufacturer name, Manufacturer, Attribute00NTN Attribute01N/A Attribute02, Weight0.154 Attribute03B00308 Attribute04Open Attribute05ABEC 1 | ISO P0 Attribute06, Attribute08, Attribute09No Attribute07Ball Bearing Attribute10C0-Medium Attribute11Metric Attribute12Single Row Ball Bearing Attribute1331171504 Attribute148482.10.50.68 Attribute15Bearing Attribute16Ball Attribute17304 Attribute180.34 Attribute1920MM Bore; 52MM Outside Diameter; 15MM Outer Race Diameter; Open; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; No Internal Special Features Attribute202.047 Inch | 52 Millimeter Attribute210.591 Inch | 15 Millimeter Attribute220.787 Inch | 20 Millimeter AttributeKey00Brand AttributeKey01Manufacturer Name AttributeKey02Minimum Buy Quantity AttributeKey03Weight / Kilogram AttributeKey04Product Group - BDI AttributeKey05Enclosure AttributeKey06Precision Class AttributeKey07Maximum Capacity / Filling Slot AttributeKey08Rolling Element AttributeKey09Snap Ring AttributeKey10Internal Special Features AttributeKey11Internal Clearance AttributeKey12Inch - Metric AttributeKey13Category - BDI AttributeKey14UNSPSC AttributeKey15Harmonized Tariff Code AttributeKey16Noun AttributeKey17Keyword String AttributeKey18Manufacturer URL AttributeKey19Manufacturer Item Number AttributeKey20Weight / LBS AttributeKey21Long Description AttributeKey22Outside Diameter AttributeKey23Outer Race Width AttributeKey24Bore WeightUnitkg moq, multiple, tierMinQty11 qtyInStock0 Distributor offers SellerSKUMOQIn stockMultiplePrices BDI Express30411 MRO Supply284511661 @ $23.62