>> P.80
────────────────YT 2015YT 2025 23.5 41─YT 202820─ 37.5────YT 2116YT 2120 31 39Identification numberClosed endMass (Ref. )gStandard Mass (Ref. )gClosed endMass (Ref. )gGrease retainedMass (Ref. )gTLA 2012 ZTLA 2016 ZTLA 2020 ZTLA 2030 Z 13.2 17.8 22 33TLAM 2012TLAM 2016TLAM 2020TLAM 2030 15.2 19.9 24 35────────Mass (Ref. )g────────Shaftdia.mmStandard ────────────────────────────────────────────────────────20TA 2015 ZTA 2020 ZTA 2025 ZTA 2030 Z 20 26.5 33 39.5TAM 2015TAM 2020TAM 2025TAM 2030 22.5 29 35.5 42TA 202820 Z─ 30─TAM 202820─ 32.5─────────TA 2116 ZTA 2120 Z 25 31.5TAM 2116TAM 2120 28 34.521SHELL TYPE NEEDLE ROLLER BEARINGSShaft dia. 20-21mmNote(1) Allowable rotational speed applies to oil lubrication. For grease lubrication, a maximum of 60% of this value is allowable.Remark hell Type Grease Retained Full Complement Needle Roller Bearings are provided with prepacked grease. Standard type and closed end type bearings are not provided with prepacked grease, so perform proper lubrication when using these types of bearings.B13
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