Dexter Bearing Kit K71-G02-21, 1-1/16 x 3/4 Inch Spindle with Dust Cap

The Dexter K71-G02-21 is a complete trailer hub bearing kit sized for a 1-1/16 inch x 3/4 inch tapered spindle, the sizing found on many single-axle boat and utility trailers. The kit uses precision-tapered roller bearings paired with matching cups so the hub rotates smoothly under load while resisting the side loading trailers see on turns and rough roads. Everything needed to service one hub is included in a single kit: two bearing cones, two matching cups, a grease seal, a cotter pin, and a dust cap, so there is no need to hunt down individual components separately.

This kit is intended for trailer hub rebuilds and routine bearing maintenance, replacing worn, pitted, or noisy bearings before they lead to hub failure or a lost wheel on the road. Because the cones, cups, seal, cotter pin, and dust cap are matched as a set, fitment and clearance are correct out of the box, which helps avoid the improper preload or seal leaks that can result from mixing components from different sources.

Specifications

• Brand: Dexter
• Manufacturer Part Number: K71-G02-21
• Spindle O.D.: 1-1/16 inch x 3/4 inch
• Outside Diameter: 1.06 inches
• Included Components: Two bearing cones, two bearing cups, seal, cotter pin, dust cap
• Bearing Type: Tapered roller bearing
• Weight: 0.7 pounds
• Item Dimensions: 9.75 x 5.25 x 1.5 inches

Frequently Asked Questions

What spindle size does the Dexter K71-G02-21 bearing kit fit? The K71-G02-21 is sized for a 1-1/16 inch x 3/4 inch tapered spindle, a common size on single-axle boat and utility trailers.

What is included in the K71-G02-21 kit? This kit includes two bearing cones, two matching bearing cups, a grease seal, a cotter pin, and a dust cap, everything needed to service one hub.

Does the kit include the dust cap? Yes, a dust cap is included along with the cones, cups, seal, and cotter pin in the K71-G02-21 kit.

Are the cones and cups matched to each other? Yes, the two cones and two cups in the K71-G02-21 kit are matched sets, which keeps clearance and preload correct without mixing components from different sources.

What type of bearing is used in this kit? The K71-G02-21 uses precision-tapered roller bearings, which handle both radial and side loading on a trailer hub.

How much does the K71-G02-21 bearing kit weigh? The kit weighs 0.7 pounds.

What are the outside dimensions of the K71-G02-21 packaging? The item measures 9.75 x 5.25 x 1.5 inches.

Is this kit for one hub or a full axle? The K71-G02-21 is packaged as a single hub kit with two cones and two cups; a full axle with two hubs requires two kits.

What is the outside diameter of the bearing cups in this kit? The bearing cups have an outside diameter of 1.06 inches.

When should I replace my trailer bearing kit? Replace a trailer bearing kit like the K71-G02-21 when bearings show pitting, noise, excess play, or after a hub has run hot or been submerged for an extended period.