Order Includes: 6x Ball Bearing: Bad Boys: 037-6024-00 Outer Diameter: 2.4 in - 62 mmInner Diameter: 0.98 in - 24.9 mmWidth: 0.66 in - 17 mmRubber Sealed Ball Bearing For Bad Boys Models: Mz - 42"" 48"" - 2011 Mz & Mz Magnum - 2013-2022 Mz Magnum - 2023-2025 Mz Rambler - 2023-2025 Revolt - 2020-2022 Revolt (36"" Deck) - 2023-2025 Revolt Sd - 2023-2025 Stand-On - 36"" 2016-2017 Zt Avenger - 2020-2025 For Scag Models: Mag-61 (Mag-72) - (Sn: 60000 - 69999) Mag-61 - Iii 61"" (Sn: 70000 - 79999) Mag-72 - Iii 72"" (Sn: 70000 - 79999) Scr42-25ch - 42"" (Sn: 7530001 - 7539999) Scr48-25ch - 48"" (Sn: 5590001 - 7549999) Scr48-27ka - 48"" (Sn: 6450001 - 7559999) Scr52-25ch - 52"" (Sn: 7560001 - 7569999) Scr52-27ka - 52"" (Sn: 7570001 - 7579999) Scz48v-22fx - 48"" (Sn: J9600001 - J9699999) Scz48v-23cv - 48"" (Sn: J9700001 - J9799999) Scz48v-26bs - 48"" (Sn: K4400001 - K4499999) Scz52v-23fx - 52"" (Sn: J9900001 - J9999999) Scz52v-25cv-Efi - 52"" (Sn: K0100001 - K0199999) Scz52v-25cv - 52"" (Sn: K0000001 - K0099999) Scz52v-26bs - 52"" (Sn: K0200001 - K0299999) Scz61rd-31fx - 61"" (Sn: P0400001 - P0499999) Scz61rd-921fx - 61"" (Sn: H7900001 - H7999999) Scz61v-27fx - 61"" (Sn: P0000001 - P0099999) Scz61v-31cv-Efi - 61"" (Sn: P0100001 - P0199999) Scz61v-34kh - 61"" (Sn: H7700001 - H7799999) Scz61v-36bv - 61"" (Sn: H7800001 - H7899999) Scz61v-37bv-Efi - 61"" (Sn: P6000001 - P6099999) Sfw36-16bv - 36"" (Sn: E5600001 - E5699999 F9100001 - F9199999) Sfw48-16bv - 48"" (Sn: E5700001 - E5799999 F9200001 - F9299999) For Freedom Z Models: Sfz36-18fs - 36"" (Sn: F3100001 - F3199999) Sfz48-18fr - 48"" (Sn: K4800400 - K4899999) Sfz48-18fs - 48"" (Sn: J8100001 - J8199999) Sfz48-19ka - 48"" (Sn: D8600400 - D8699999) Sfz48-20fs - 48"" (Sn: F3200400 - F3299999) Sfz48-21fr - 48"" (Sn: K5000400 - K5099999) Sfz48-22kt - 48"" (Sn: K5400400 - K5499999 N7800001 - N7899999) Sfz48-24bs - 48"" (Sn: J8200001 - J8299999) Sfz48-26bs - 48"" (Sn: D1500001 - D1599999 D8500400 - D8599999) Sfz48-600fs - 48"" (Sn: G