>> P.84
Mass (Ref. )g─────Grease retained─────YTL 252651.5───── 22.5 33 45 57───────YT 2510YT 2515YT 2520YT 2525──YT 2616YT 2620 37 46.5────────YT 2820 56.5Mass (Ref. )g 23.5 29.5 36 45.5 62──────────────SHELL TYPE NEEDLE ROLLER BEARINGSIdentification numberTLA 2512 ZTLA 2516 ZTLA 2520 ZTLA 2526 ZTLAW2538Z─ 19.7 26 32 41.5 58.5─TLAM 2512TLAM 2516TLAM 2520TLAM 2526TLAMW2538─────────────────────────Standard Mass (Ref. )gClosed endMass (Ref. )gStandard Mass (Ref. )gClosed endShaftdia.mmShaft dia. 25-28mmTLA 2816 ZTLA 2820 Z 28.5 35.5TLAM 2816TLAM 2820 33.5 40.5────────────TA 2820 ZTA 2830 Z─ 45 67.5─TAM 2820TAM 2830─ 50 72.5────────────────────────────────────────────────────────────────────────TA 2616 ZTA 2620 Z 30.5 38TAM 2616TAM 2620 34.5 42.525TA 2510 ZTA 2515 ZTA 2520 ZTA 2525 ZTA 2530 Z 19.1 28.5 36.5 45.5 54.5TAM 2510TAM 2515TAM 2520TAM 2525TAM 2530 23 32.5 40.5 49 58.52628Note(1) llowable rotational speed applies to oil lubrication. For grease lubrication, a maximum of 60% of this value is allowable.Remarks1. W" in the identication number indicates that rolling elements are arranged in double rows.2. hell Type Grease Retained Full Complement Needle Roller Bearings are provided with prepacked grease. Standard type and types of type bearings are not provided with prepacked grease, so perform proper lubrication when using these closed end bearings.B17
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