# BK-310HDB - HD 1.375" BEARING & FLANGE KIT - MIDDLE (2017+)

BK-310HDB - HD 1.375" BEARING & FLANGE KIT - MIDDLE (2017+)

  
Replacement/upgrade HD 1.375" outer/ inner bearing kit with all hardware to replace the bearings, flange, bearing seat, and cork gasket on a mid-HD 1.375" axle.  Axle not included.  
  
Direct replacement on all 2017+\* models.  
  
  
Fits XTV Models 2017+\*:  

Aurora 800 / 850 / 950 8x8  
Aurora 800/850/950 Huntmaster 8x8  
Avenger S 8x8 (2017+)  
Avenger ST, STR, STX, LX, Limited 8x8  (2017+)  
Avenger Responder, X (2017+)

Frontier 6x6 SE (March 2018+)\*\*

Frontier 6x6 ST Limited (March 2018+)

Frontier 600 / 650 / 700 6x6 (March 2018+)\*\*

Frontier 8x8 S, Limited (March 2018+)

Frontier 650 / 700 / 750 8x8 (March 2018+)  
HDI 750 8x8 (With Beadlock Aluminum Rims Only)  (2016)\*  
HuntMaster, R, X, Z, ZX 8x8  (2016+)

Scout 6x6 S  (March 2018+)

Scout 8x8 S  (March 2018+)

  
  
\* If you model has 1.25" id bearings you will need to order kit BK-210HDB  
  
**\*\*This kit also works on the Front/Rear positions for any 2018+ Frontier model that does not have bearing extensions installed on the front or rear axles.**  
  

Kit Includes:

(1) 200-0062-001  OUTER HD 1.375" BEARING 72MM  
(2) 10010J  SET-SCREWS HD BEARING  
(1) 200-0184-001  INNER BEARING 1.0"  
(1) 10040J  E-CLIP AXLE  
(1) 106-15-025  SNAP RING  
(1) 606-89  BEARING CARRIER  
(1) 606-88  OUTER GREASEABLE FLANGE  
(1) 606-90  CORK GASKETS 72MM  
(4) 200-0217-200-S10  HEX BOLTS  
(4) 108-06-025  SPLIT LOCK WASHER  
(4) 10004J  FLAT WASHER  
(4) 10014J  NUT  
(1) 200-0005-010  WASHER HI CARBON  
(1) 10041J  AXLE BOLT  
  

It is recommended to pre-grease the bearings before installing using a **[LNL123 Grease Needle](https://parts.docsfullboreoutdoor.com/collections/argo-xtv-standard-1-25-i-d-bearing-kits/products/lnl123)**

**Read our blog article: [What Grease is best for your Argo XTV?](https://parts.docsfullboreoutdoor.com/blogs/news/what-grease-is-best-for-your-argo-xtv)**

## Details

- **Price:** 145.11 USD
- **Vendor:** ARGO
- **Tags:** Argo Parts, OEM Parts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 145.11 USD | In stock |

## Images

- BK-310HDB - HD 1.375" BEARING & FLANGE KIT - MIDDLE (2017+) - ARGO PARTS 
- Argo Genuine Parts and Accessories

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> Source: [Doc's Full Bore Outdoor](https://parts.docsfullboreoutdoor.com/products/bk-310hdb-hd-1-375-mid-bearing-flange-kit-2017)
> Updated: 2026-06-04