Polaris RZR RS1 Premium Transmission Bearing Upgrade Kit

Reinforce Your RS1 Transmission
When you put the power down, your transmission puts the pressure on your bearings. Your OEM bearings tend to overheat and fail when you’re running at full tilt. That’s why you need to upgrade to our Polaris RZR RS1 Premium Transmission Bearing Upgrade Kit. We use NACHI bearings that are built for strength and longevity with Japanese steel. With better bearings made with better materials, you can ride solo with confidence.

An Angular-Contact Thrust Bearing Built for Power
The idler shaft in your RS1 transmission has a nasty habit of pushing against the stock bearing until it breaks. That bearing just can’t handle the force. That’s why we use an angular-contact thrust bearing. It’s specifically designed to take the pressure from your idler shaft without overheating or falling apart.

Made with Japanese Steel
These NACHI bearings are built to last. They’re made from high-quality Japanese steel and precision-engineered for a flawless fit, so tough rides won’t stop them. Whether it’s the pressure from your transmission’s gearset or your lead foot on the pedal, these bearings won’t let you down.

Add a Seal Kit
Don’t upgrade your transmission bearings and reuse the same old seals. Add a transmission seal kit to ensure you’re getting the best possible upgrade. Besides—you’ve already done all the work required to replace them!

Bearing Kit Includes:

• (2) NACHI 17 ID x 30 OD x 7 open ball bearings
• (2) NACHI 17 ID x 47 OD x 14 open ball bearings
• (1) NACHI 25 ID x 52 OD x 15 open ball bearing
• (1) NACHI 25 ID x 62 OD x 17 open ball bearing
• (2) NACHI 30 ID x 62 OD x 16 open ball bearings
• (2) NACHI 35 ID x 72 OD x 17 open ball bearings
• (2) NACHI 50 ID x 80 OD x 16 open ball bearings
• (1) NACHI 60 ID x 95 OD x 18 open ball bearing
• (1) NACHI 35 ID X 72 OD X 17 angular-contact thrust ball bearing

Seal Kit Includes:

• (2) Axle input seals
• (1) Clutch input seal
• (1) Front output seal

Features-

• Complete upgraded transmission bearing kit
• Angular-contact thrust bearing prevents common idler shaft failure
• NACHI bearings for extreme strength and durability throughout your transmission

Fitment-

• Polaris RZR RS1 : 2018-2022

NOTE: Compatible with OEM transmissions only.

Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–5 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!

We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!