Comments about Pillow Block Bearing, Original *Serial Number Required*:
Exact replacement part for Climbmax 150 transmission spindle. Reversible. Usually only need to replace the one on the sproket side of the transmission. Transmission spindle slides right in and is a nice snug fit....only tool you need for installation is a ratchet and socket (7/16, 1/2, or 9/16, can't remember exactly which one. If you have a complete set of SAE sockets, you'll be ok).