Polaris HD Wheel Bearings ( 3515090) vs all Others
Posted by Craig Stumph on
The Polaris wheel bearing was originally designed for the old 800 RZRs which were light weight. Heavier newer machines need better bearings and that is why Polaris changed the Turbo R, Pro S and Pro R to unit bearings. I do not think an overkill bearing is bad. If you need a better bearing, put the better one in. Look how often the 3515090 Polaris bearings fail with 35s.
Bearings require proper torque to set internal clearances (lash). Any bearing will fail if the nut comes loose and the internal clearance is lost. Sandcraft claims their 4x bearing is good for 28-31" tires. Use the 15x for 35s and up unless you want to keep changing bearings. If you want to keep changing bearings, use the Kryptonite bearings because they have a lifetime warranty. Use Polaris, Demon and 4X if you just need bearings and have stock tires.
Below is a sample of all the bearings including Kryptonite that replace the 3515090 bearing with notes and torque specs.
Polaris (labeled Koyo no warranty) Good bearing for small tires. (120-180 ft/lbs) 180 is the newer spec.
https://www.proutvparts.com/products/polaris-oem-hd-heavy-duty-wheel-bearing-rzr-xp-turbo-xp-1000-turbo-s-pro-xp-and-others?_pos=1&_sid=69dd94edc&_ss=r_pos=2&_sid=93eaa1697&_ss=r
Demon (Chinese) For small tires (120-180 ft/lbs)
https://www.proutvparts.com/collections/polaris-rzr-xp-1000/products/demon-powersports-utv-wheel-bearings-for-polaris-rzr
Kryptonite (lifetime warranty using their washers) Good bearing for small tires. (180 ft/lbs)
https://www.proutvparts.com/collections/polaris-rzr-xp-1000/products/polaris-rzr-lifetime-warranty-wheel-bearing-package-deal-2014-2025-xp-by-kryptonite
https://www.proutvparts.com/collections/polaris-rzr-xp-1000/products/polaris-rzr-lifetime-warranty-wheel-ultimate-bearing-package-2014-2024-xp-by-kryptonite
Sandcraft 4x (good bearing for moderate side load) Good bearing for small tires (110 ft/lbs)
https://www.proutvparts.com/collections/polaris-rzr-xp-1000/products/sandcraft-dual-angular-contact-wheel-bearing-14-22-rzr-set-of-4
Sandcraft 15x (best bearing for side load) Good bearing for any size tire using the original Polaris design. (24 ft/lbs)
https://www.proutvparts.com/collections/polaris-rzr-xp-1000/products/sandcraft-double-row-tapered-wheel-bearing-14-22-rzr-set-of-4