ZYS factory Automotive/Auto Part motorcycle parts Single/Double Row
Cylindrical Roller Bearings N2208EM NU2208EM NJ2208EM for Rolling
Mill, motors, engine, gear Product DescriptionGeneral
information of ZYS cylindrical roller bearingZYS cylindrical
roller bearing belongs to line contact, with higher capacity and
rigidity than angular contact ball bearings (including multiple
sets of bearings). But the allowable speed is lower.
Therefore, cylindrical roller bearings are used in the medium,
large-scale machine tool with large load, high rigidity and low
speed. ZYS cylindrical roller bearings include two series:
single row cylindrical roller bearings N10 and double row
cylindrical roller bearings NN30. The bearing bore also has two
kinds: cylindrical bore and tapered bore.Single row cylindrical
roller bearings, as free supporting, are usually matched with
angular contact ball bearings which serve as fixed supporting. The
most commonly used cylindrical roller bearings in the machine tool
are double cylindrical roller bearing with tapered bore. This
kind of bearing can bear greater radial load with detachable inner
and outer rings, and can not bear the axial load , so they are
often used with double-direction angular contact thrust ball
bearings which bear axial load.Double row cylindrical roller
bearings with tapered bore are matched with tapered shaft neck of
spindles. During the processes of bearing assembly, the axial
movement of inner ring can swell the inner ring, and then the
internal radial clearance can be changed and the bearing preload
will be acheived. As for the N10 and NN30 series of
cylindrical roller bearings, the inner ring has shoulder, the outer
ring can be separated. For double row cylindrical roller
bearings used with oil lubrication, a circumferential oil groove
and three symmetric lubricant holes are set in the middle of outer
ring, marked W33. Product
ParametersBearing No.Boundary dimensions (mm)Load ratings(KN)Limiting speeds(r/min)Mounting dimensions(mm)NU0001 TypeNJ0001 TypeN0001 TypedDBrsminr1sminCrCorGreaseOilda(min)Da(max)ra(max)NU1010NJ1010-50801610.62527.56200800058721.1NU210NJ210N2105090201.11.161.269.26000740057831.1NU2210NJ2210N22105090231.11.174.288.86000740057831.1NU310NJ310N31050110272210511252006600581022NU2310NJ2310N231050110402215518552006600581022NU410NJ410N41050130312.12.112012048006000591212NU1011NJ1011-5590181.1135.8405600700063831.1NU211NJ211N21155100211.51.180.295.55200660062931.1NU2211NJ2211N221155100251.51.194.81185200660062931.1NU311NJ311N31155120292212813848006000641112NU2311NJ2311N231155120432219022848006000641112NU411NJ411N41155140332.12.112813242005400641312NU1012NJ1012-6095181.1138.5455200670067881.5NU212NJ212N21260110221.51.589.810250006400681021.5NU2212NJ2212N221260110281.51.512215250006400681021.5NU312NJ312N31260130312.12.114215544005600691212.1NU2312NJ2312N231260130462.12.121226044005600691212.1NU412NJ412N41260150352.12.115516240005000701402.1NU1013NJ1013-65100181.113946.54800600072931.5NU213NJ213N21365120231.51.510211846005600731121.5Bearing No.Boundary dimensions (mm)Load ratings(KN)Limiting speeds(r/min)Mounting dimensions(mm) NU0001 TypeNJ0001 TypeN0001 TypedDBrsminr1sminCrCorGreaseOilda(min)Da(max)ra(max)NU2213NJ2213N221365120311.51.514218046005600731121.5 NU313NJ313N31365140332.12.117018840005000741312.1NU2313NJ2313N231365140482.12.123528540005000741312.1NU413NJ413N41365160372.12.117017838004800751502.1NU1014NJ1014-70110201.1147.55748006000781021.5NU214NJ214N21470125241.51.511213542005400781171.5NU2214NJ2214N221470125311.51.514819243005400781171.5NU314NJ314N31470150352.12.119522039004800801402.1NU2314NJ2314N231470150512.12.126032039004800801402.1NU414NJ414N41470180423321523234004500811692.1NU1015NJ1015-75115201.1151.561.244005600831071.5NU215NJ215N21575130251.51.512515539005100831221.5NU2215NJ2215N221575130311.51.515520539005100831221.5NU315NJ315N31575160372.12.122826036004500851502.1NU2315NJ2315N231575160552.12.124530836004500851502.1NU415NJ415N41575190453325027232004000871782.1NU1016NJ1016-80125221.1159.277.842005400881172NU216NJ216N21680140262213216538004800891312NU2216NJ2216N221680140332217824238004800891312NU316NJ316N31680170392.12.124528235004400911592.1Bearing No.Boundary dimensions (mm)Load ratings(KN)Limiting speeds(r/min)Mounting dimensions(mm)NU0001 TypeNJ0001 TypeN0001 TypedDBrsminr1sminCrCorGreaseOilda(min)Da(max)ra(max)NU2316NJ2316N231680170582.12.125832835004400911592.1NU416NJ416N416802004833285315300040001101222.1NU1017NJ1017-85130221.1164.581.640005000941222NU217NJ217N21785150282215819236004600941412NU2217NJ2217N221785150362220527236004600941412NU317NJ317N31785180413328033231004000961693NU2317NJ2317N231785180603329538031004000961693NU417NJ417N41785210524431234529003800971983NU1018NJ1018-90140241.51.17494.8380048001011312NU218NJ218N218901603022172215340043001001502NU2218NJ2218N2218901604022230312340043001001502NU318NJ318N318901904333298348300038001021783NU2318NJ2318N2318901906433310395300038001021783NU418NJ418N4189022554443523
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