>> P.94
Identification numberStandardMass (Ref. )gClosed endStandardMass (Ref. )gMass (Ref. )gClosed endMass (Ref. )gGrease retainedMass (Ref. )gYB 2.5 2.5YB 2.5 40.640.96YB 341.6───3.24.6───────YB 45YB 47────YB 553.8──────────────────────────────────────────────────────────3.45.37.29.1───────YB 64YB 66YB 68YB 610────────────────────────────────────BHA 57 Z6.3BHAM 576.6BHA 68 Z8.2BHAM 688.6─────2.73.7──3.33.94.65.7──3.94.66.16.77.4─────────BAM 45BAM 47──BAM 55BAM 56BAM 57BAM 59──BAM 65BAM 66BAM 68BAM 69BAM 610────────2.12.53.5──.64.35.4─33─3.54.25.76.37────────BA 44BA 45 ZBA 47 Z──BA 55 ZBA 56 ZBA 57 ZBA 59 Z──BA 65 ZBA 66 ZBA 68 ZBA 69 ZBA 610 Z─────Shaft dia.mm(inch)3.969(5╱32)4.762(3╱16)6.350(1╱4)7.938(5╱16)9.525(3╱8)Note(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.Shaft dia. 3.969-9.525mmB27SHELL TYPE NEEDLE ROLLER BEARINGSInch Series
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