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Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.
Representative image of an RCScrewZ metal-shielded bearing kit for XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615); exact bearing sizes and quantities vary by RC model.

RCScrewZ Metal Shielded Bearings xtm005b for XTM Racing Mammoth RTR Nitro Monster Truck 1/8 4WD Off-Road (#145615) | RCX

RCScrewZ

SKU: xtm005b

Regular price
$53.67
Sale price
$53.67
Regular price
$59.95
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Quick snapshot of availability, estimated delivery, and our shipping/returns.

Available Quantity: 100

Free shipping on all U.S. orders (USPS Priority Mail).
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Most orders ship from Canton, MI 48187. APO/FPO/DPO & PO Boxes welcome.
Priority Mail typically delivers in 2–3 business days (estimates; not guaranteed).
Easy 30-day returns with prepaid USPS label; refunds issued within 3 business days after the return is received.

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This page shows the Metal-Shielded Bearing Kit for this RC model — view all compatible Screw and Bearing kits for this RC model by clicking this link:

XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615) — Find Compatible Stainless Screw & Bearing Kits

Pro tip: Most builders grab a Stainless Screw Kit and a Bearing Kit for this RC model so everything wears evenly.

Quick Fit Summary
  • Compatible Brand: XTM Racing
  • RC Model: XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615)
  • Scale: 1:8
  • Power Source / Fuel Type: Nitro & Glow Fuel
  • Chassis: XTM Mammoth Monster MT RTR Chassis (#145615)
  • Era: Modern Transition (2000-2009)
  • OEM / Models: 145615, C-XTM-MMT
Quick Fit Summary — Full Details

Quick Fit Summary

Key fit details for your RC model, plus what’s in this kit.

RC Model Fit & Specs

  • Compatible Brand: XTM Racing
  • Fit: XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615)
  • Compatible RC Model Numbers: 145615 · C-XTM-MMT
  • Scale: 1:8
  • Power Source / Fuel Type: Nitro & Glow Fuel
  • Vehicle Type: 1/8 Nitro 4WD Monster Truck
  • Chassis: XTM Mammoth Monster MT RTR Chassis (#145615)
  • Era: Modern Transition (2000-2009)
  • RC Model Terrain: Off-Road: Dirt, Grass, Gravel & Bashing

This Kit Details

  • SKU: xtm005b
  • MPN: xtm005b
  • Product: Performance RC Bearing Rebuild Kit
  • Bearing Type: Metal-Shielded (On-Road)
  • Sealed Bearings: No
  • Water/Dust Protection: Low-drag, not sealed
  • Product Material: Carbon Chrome Steel
  • Product Color: Silver
  • Bearing Sizes Included: Note: The specific bearing sizes will be listed soon. In the meantime · please contact us for detailed information about the sizes included in this kit. We're happy to assist you!
  • Install: ≈60 min; recheck torque after first run
  • Country of Origin: United States
Full Product Description

Exact RC Model Fitment

Confirm the exact RC model and RC vehicle OEM/model number below before ordering.

Compatible RC Model
XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615)
Compatible RC Brand
XTM Racing
RC Vehicle OEM / Model Number(s)
RCScrewZ Kit Part Number
xtm005b

Vehicle Compatibility Details

Review these vehicle details to help confirm compatibility with your RC model.

RC Vehicle OEM / Model Number(s)
RC Chassis Compatibility
XTM Mammoth Monster MT RTR Chassis (#145615)
Compatible Vehicle Type
1/8 Nitro 4WD Monster Truck
Terrain Compatibility
Off-road
Compatible Scale
1:8
Compatible Fuel Type
Nitro & Glow Fuel

What Is Included

Included bearing sizes for this Metal-Shielded Bearing Kit:

    Note: The specific bearing sizes will be listed soon. In the meantime, please contact us for detailed information about the sizes included in this kit. We're happy to assist you!

What Is Not Included

Only the bearings identified in the included-bearing-size list are part of this kit. 

The RC vehicle and separately sold parts are not included unless specifically listed.

Installation & Model Notes

Metal Shielded Bearing Kit Compatibility (On-Road / Clean Surface Use):

This RCScrewZ Metal Shielded Bearing Kit is compatible with the XTM Racing Mammoth RTR Nitro Monster Truck / Monster MT RTR 1/8 4WD Off-Road platform, including OEM / retail codes #145615 and C-XTM-MMT.

  • Compatible Model: XTM Racing Mammoth RTR Nitro Monster Truck / Monster MT RTR
  • OEM / Retail Codes: #145615, C-XTM-MMT
  • Scale: 1/8 Scale
  • Fuel Type: Nitro / glow fuel RC truck
  • Vehicle Type: 4WD off-road monster truck
  • Chassis: XTM Mammoth / Monster MT RTR chassis with steel geared 2-speed transmission
  • Terrain Compatibility: Best for cleaner running, hard-packed surfaces, pavement testing, and low-dust conditions
  • Production Era: Modern Transition (2000-2009)
  • Release / Catalog Date: 2007 manual version; Kit Product #145615 US / C-XTM-MMT Europe

Benefits:

  • Good choice for XTM Mammoth owners who want reduced rolling resistance and smoother drivetrain performance on cleaner surfaces.
  • Metal shielded bearings are a strong option for low-drag running when dirt, dust, and wet grass are not the main concern.
  • Useful for vintage nitro monster truck maintenance, drivetrain refresh work, and clean-surface tuning.
  • Search-friendly fitment for buyers looking for XTM Mammoth bearings, Monster MT bearing kit, or 1/8 nitro monster truck bearings.

Metal-Shielded Bearing Kit Details

Review the bearing-kit details below before ordering.

RCScrewZ Kit Part Number
xtm005b
Product Brand
RCScrewZ
Shielding Type
Metal-Shielded (On-Road)
Sealed Bearing Status
No
Bearing Material
Carbon Chrome Steel
Approximate Piece Count
Piece count information will be available shortly.
Color
Silver

Before Ordering

  • Confirm your exact RC model, RC brand, and OEM/model number whenever possible.
  • Review the included-bearing-size list before purchase.
  • Read the installation and model notes before disassembly or installation.

Vehicle versions, chassis revisions, and model-year configurations can differ. 

Confirm fitment before purchase when your RC vehicle differs from the details shown above.

Fits: XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615)
$53.67
Back to XTM Mammoth 1/8 Nitro 4WD Monster Truck (#145615) — Find Compatible Stainless Screw & Bearing Kits

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