# Title: 6321 - Deep Groove Radial Ball Bearing, 4.134" Bore (ID) ## Description: High-Performance Deep Groove Ball Bearing 6321 is a precision deep groove radial ball bearing designed for smooth rotation, reduced friction, and dependable performance in high-speed and general-purpose applications. Manufactured for durability and consistent operation, this bearing is suitable for electric motors, small machinery, tools, and mechanical assemblies. Part Number 6321 Inner Diameter (Bore) 4.134 in | 105 mm Outer Diameter 8.858 in | 225 mm Width (Closed Seal) 1.929 in | 49 mm Width (Open Style) 1.929 in | 49 mm Seal Types Open (No Seal) Metal Shield (ZZ) Rubber Seal (2RS) Cross Reference 6321ZZ, 321KDD, 321SFF, 63212Z, 1321FF, 6321 M, 321K, 321-S, 105 BC 03, 03 3766, K6321, I-112995, 22B ## Product type: Ball Bearings ## Vendor: QJZ Bearings ## Tags: QJZ Bearings, Shopify Collective ## Price range: 69.99 - 69.99 USD ## Link: https://shop.water-services.us/products/6321-deep-groove-radial-ball-bearing-4-134-bore-id ## Options - Seal Type: Double Rubber Seal (2RS), Double Metal Shield (ZZ), Open Style (No Seal) ## Variants - Double Rubber Seal (2RS), SKU: 6321-2RS, Available: yes, Inventory: 50, Delivery profile: Shopify Collective - Double Metal Shield (ZZ), SKU: 6321-ZZ, Available: yes, Inventory: 50, Delivery profile: Shopify Collective - Open Style (No Seal), SKU: 6321-OPEN, Available: yes, Inventory: 50, Delivery profile: Shopify Collective ## Metafields - google_product_category: 1470 - product_status: {"pending":0,"failed":0,"approved":3}