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Message: <blockquote data-quote="guywhofishes" data-source="post: 459071" data-attributes="member: 337">Grok says:To answer your query about the numbers for a complete hub kit for a 2004 Stratos EZ Loader trailer (single axle, 5-bolt pattern, under a 2004-386FX boat), here’s a clear and concise response based on a detailed analysis of the specifications:A complete hub kit for your trailer typically includes the hub, inner and outer bearings, a grease or oil seal, a dust cap, and lug nuts. Since your trailer is an EZ Loader model from 2004 with a single axle and a 5-bolt pattern, it’s most likely designed with a 5 on 4.5-inch bolt circle, a common standard for trailer hubs. The kit’s specific components depend on the axle’s weight capacity, which is influenced by the boat it supports—the 2004 Stratos 386FX, a bass boat approximately 19 feet long.### Determining the Axle CapacityThe Stratos 386FX, being a 19-foot bass boat, likely has a dry weight of around 1,500 to 2,000 pounds. With the addition of a motor, gear, and fuel, the total weight on the trailer could range from 2,500 to 3,000 pounds. For a single axle trailer to safely carry this load, the axle would typically be rated between 2,500 and 3,500 pounds, with 3,500 pounds being a common choice to provide a safety margin.### Bearing Sizes and Hub Specifications- **For a 3,500-pound axle**: The industry standard bearing combination is:  - **Inner bearing**: L68149 (1.378-inch inner diameter)  - **Outer bearing**: L44649 (1.063-inch inner diameter)  These bearings fit a tapered spindle commonly used on trailer axles of this capacity.- **For a lighter axle (e.g., 2,000–2,500 pounds)**: Some single axle trailers use L44649 bearings for both inner and outer positions, but given the size and weight of the 386FX, a 3,500-pound axle is more probable.Since your trailer is an EZ Loader supporting a 19-foot boat, the 3,500-pound axle with L68149 (inner) and L44649 (outer) bearings is the most likely configuration.### Grease vs. Oil Bath HubsBoat trailers, especially those from EZ Loader, often use oil bath hubs to protect bearings from water intrusion, a feature common in models from 2004. However, grease hubs are also possible. Without specific details about your trailer’s hub type, an oil bath hub kit is a reasonable assumption for an EZ Loader boat trailer, but a grease hub kit could also apply. The bearing numbers remain the same regardless of lubrication type.### The Complete Hub Kit NumbersBased on this analysis, the “numbers” for your complete hub kit refer to the critical bearing components:- **Inner bearing**: L68149- **Outer bearing**: L44649These bearings correspond to a hub with a 5 on 4.5-inch bolt pattern, suitable for a 3,500-pound single axle under your 2004-386FX boat. The kit would also include:- A grease seal (commonly 1.719-inch inner diameter for a 3,500-pound axle, though this can vary)- A dust cap or oil cap- Five lug nuts### Finding the Exact PartEZ Loader uses proprietary hub kits, and their specific part numbers (e.g., something like “250-029600” for a 5-lug hub kit) aren’t universally standardized or easily accessible without their catalog. For an exact match:1. **Check your existing hub**: Look for stamped bearing numbers (e.g., L68149, L44649) or a hub part number.2. **Measure the spindle**: Confirm the bearing surfaces (1.378 inches for L68149, 1.063 inches for L44649).3. **Contact EZ Loader**: Provide your trailer’s VIN or model details to their customer service for the precise hub kit part number.Alternatively, generic hub kits from suppliers like Dexter or etrailer (e.g., #84545UC1 for a 3,500-pound axle with these bearings) may work if compatible with your spindle, though EZ Loader-specific kits are ideal.### Final AnswerFor your 2004 Stratos EZ Loader trailer (single axle, 5-bolt pattern) under a 2004-386FX boat, the complete hub kit likely includes:- **Inner bearing**: L68149- **Outer bearing**: L44649These are the key “numbers” for the hub kit, assuming a 3,500-pound axle. To ensure a perfect fit, verify your spindle measurements or consult EZ Loader for their specific part number.</blockquote>

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