>> P.96
Identification numberStandardMass (Ref. )gClosed endMass (Ref. )gGrease retainedMass (Ref. )g──── 8.2─10.5────── 4.3 6.7 7.9 9.111.513.9────────YB 78─YBH 78──────YB 84YB 86YB 87YB 88YB 810YB 812────YBH 81016─────10────────────────────────────────────────────────────────────────BHA 87 ZBHA 88 ZBHA 810 ZBHA 812 Z─ 9.110.412.515─BHAM 87BHAM 88BHAM 810BHAM 812─ 9.911.313.315.8─Mass (Ref. )g 5.3 6.27 8.5─BAM 76BAM 77BAM 78BAM 710─BAM 85BAM 86BAM 87BAM 88BAM 810BAM 812 5.2 6.17 7.9 9.611.3──────────────────────4.85.66.47.9───4.45.36.37.28.910.6───────────BA 76 ZBA 77 ZBA 78 ZBA 710 Z───BA 85 ZBA 86 ZBA 87 ZBA 88 ZBA 810 ZBA 812 Z───────────11.112(7╱16)12.700(1╱2)Shaft dia. 11.112-12.700mmShaft dia.mm(inch)StandardMass (Ref. )gClosed endBHA 78 Z─ 9.3─BHAM 78─────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.B29SHELL TYPE NEEDLE ROLLER BEARINGSInch Series
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