JBT 7754-1995 滚动轴承 双列满装圆柱滚子滚轮轴承

J11JB/T775419951995-06-161996-07-01IISO6278—1980ISO7063—1982ISO7063GB/T272—93JB/T2974—93JB/T77541995112GB197—811~355mmGB/T272—93GB307.2—84GB307.3—84GB4199—84GB/T4604—93GB6930—86GB8597—88JB1255—91JB/T2974—93JB/T3573—93JB/T3574—92JB/T6641—93JB/T7051—93ZBJ11020—89ZBJ36001—863GB6930GB41994B1995-06-16JB/T775419951996-07-01JB/T775419952sB∆B11B∆B2CsC∆C1dmpd∆d11sd∆d2DmpD∆GG1rrsminrr1r1sminr1Kea55.15.1.1NUTR—1NUTRX—1NUKR—2NUKRX—2NUTRNUTRX1JB/T775419953NUKRNUKRX25.1.2GB/T272JB/T2974a)–2PSNUKR40–2PSNUKR40–2PSXb)SKNUKR40SKNUKR40SKX–2PSSK–2PSKNUKR40–2PSK5.1.3NUTR2562JB/T7754—1995NUKR47XJB/T7754—19955.25.2.1125.2.231mmNUTRNUTRXdDBCd2rsminmins1rNUTR15NUTR17NUTR20NUTR25NUTR30NUTR35NUTR40NUTR45NUTR50NUTR15XNUTR17XNUTR20XNUTR25XNUTR30XNUTR35XNUTR40XNUTR45XNUTR50X1517202530354045503540475262728085901921252529293232321820242428283030302022273138445155600.611111.11.11.11.10.30.30.30.30.30.60.60.60.6JB/T7754199542mmNUTRNUTRXdDBCd2rsminmins1rNUTR1542NUTR1747NUTR2052NUTR2562NUTR3072NUTR3580NUTR4090NUTR45100NUTR50110NUTR1542XNUTR1747XNUTR2052XNUTR2562XNUTR3072XNUTR3580XNUTR4090XNUTR45100XNUTR50110X151720253035404550424752627280901001101921252529293232321820242428283030302022273138445155600.611111.11.11.11.10.30.30.30.30.30.60.60.60.63mmNUKRNUKRXDd1CBB1B2GG1C1d2rsminNUKR35NUKR40NUKR47NUKR52NUKR62NUKR72NUKR80NUKR90NUKR35XNUKR40XNUKR47XNUKR52XNUKR62XNUKR72XNUKR80XNUKR90X35404752627280901618202024243030182024242929353552586666808010010032.536.540.540.549.549.56363889911111515M16×1.5M18×1.5M20×1.5M20×1.5M24×1.5M24×1.5M30×1.5M30×1.519192121252532320.80.80.80.80.80.81121232731384447470.611111.11.11.15.3GCr15G20CrMoGCr1558~62HRCG20CrMo58~62HRC35~40HRC1.3~1.9mm1.0~1.6mm5.45.4.1a)4b)5JB/T7754199554µmmpD∆DmmNUTRNUTRXsC∆Kea30508050801200–62–74–870–25–30–350–1202025355µmdmmmpd∆sB∆1018301830500–120–330–390–4605.4.2a)4b)66µmd1mm1sd∆1sB∆101818300–18–210–1c)GB1976g5.55.5.177DmmNUTRNUKRNUTRXNUKRXRaµm3080801201.01.250.631.00.81.05.5.2Ra0.8µmJB/T7754199565.5.388d1mmd1Raµm103030500.81.02.53.25.6GB/T46044d1d5.7GB307.35.8JB/T66415.966.1GB307.26.2JB/T70516.3JB/T35736.4JB1255ZBJ360016.5GB307.36.6JB/T664177.17.2ZBJ1102088.1JB/T35748.2GB8597JB/T77541995JB/T77541995*2100044*88012301/163/414,000199631996315008.0095104