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Single Row Cylindrical Roller Bearings

Single-row cylindrical roller bearings are of separable construction.

Product Description

Product Description

Single-row cylindrical roller bearings are of separable construction. The ring with flanges is assembled with the cage and the rollers. During mounting, the rings are to be fixed on to their respective seats – Inner ring on the shaft and outer ring on to the housing and then they have to be put together carefully. Depending on the ring-roller-cage configuration either on the inner ring or the outer ring, the bearing series are designated as NU and N. Series NJ and NUP are variants of the NU design – denoting whether the separable inner ring has one flange (NJ) or one flange and truncated inner ring with a separable guide flange fixed on the other side of the flange so as to keep the width of the inner ring assembly same as that of the outer ring (NUP). They are manufactured in multiple series.

The bearings feature high rigidity, low friction, an ability to transmit high radial loads and are suitable for high rpm. N or NU series bearings should not be exposed to axial loads. Nj series bearings can carry limited axial load in only one direction, whereas NUP series series of bearings can carry limited axial loads in both the directions.

The bearings are supplied with standard clearance and normal accuracy. However, bearings with lower or higher radial clearances as well as higher running accuracy can also be supplied.

The bearings in the N design – the inner ring has two pilot flanges, the outer ring is without the pilot flanges. Axial displacement of the shaft towards the element (body) is possible in both directions.

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Bearing No.Boundary dimensionsBasic load rating(kN)Limiting speedsMass
mmDynamicStaticrpmKg
dDBrs minrs1  minCrCorGreaseOil
NJ2204E20471810.630.528.314,00016,0000.158
NJ2205E25521810.63534.511,00013,0000.186
NJ2206E30622010.649509,70011,0000.297
NJ2207E3572231.10.661.565.58,50010,0000.455
NJ22084080231.11.158628,50010,0000.49
NJ2208E4080231.11.172.577.57,6008,9000.552
NJ22094585231.11.161.5687,6009,0000.53
NJ2209E4585231.11.17684.56,8008,0000.6
NJ22105090231.11.16473.56,9008,1000.571
NJ2210E5090231.11.179.591.56,2007,3000.652
NJ221155100251.51.175.5876,3007,4000.773
NJ2211E55100251.51.1971145,6006,6000.968
NJ221260110281.51.5961165,8006,8001.06
NJ2212E60110281.51.51311575,2006,1001.21
NJ221365120311.51.51201495,4006,3001.4
NJ2213E65120311.51.51491814,8005,6001.6
NJ221470125311.51.51191515,0005,9001.47
NJ2214E70125311.51.51561944,5005,2001.7
NJ221575130311.51.51301624,7005,5001.55
NJ2215E75130311.51.51622074,2004,9001.79
NJ22168014033221471864,4005,1001.93
NJ2216E8014033221862433,9004,6002.12
NJ22178515036221702184,1004,8002.44
NJ2217E8515036222172793,7004,3002.68
NJ22189016040221972483,9004,6003.1
NJ2218E9016040222423153,5004,1003.33
NJ221995170432.12.12302983,6004,3003.79
NJ2219E95170432.12.12863703,3003,8004.14
NJ2220100180462.12.12583403,5004,1004.57
NJ2220E100180462.12.13354453,1003,6005.01
NJ2222110200532.12.13204153,1003,7006.56
NJ2222E110200532.12.13855152,8003,3007.4
NJ2224120215582.12.13504602,9003,4008.19
NJ2224E120215582.12.14506202,6003,0009.18
NJ222613023064333805302,6003,10010.2
NJ2226E13023064335307352,3002,70011.8
NJ222814025068334456352,4002,80012.9
NJ2228E14025068335758352,1002,50015.8
NJ223015027073335007102,2002,60016.3
NJ2230E15027073336609802,0002,40019.7
NU204E20471410.625.722.615,00018,0000.122
NU205E25521510.629.327.713,00015,0000.151
NU206E30621610.63937.511,00013,0000.226
NU207E3572171.10.650.5509,50011,0000.327
NU2084080181.11.143.5439,40011,0000.378
NU208E4080181.11.155.555.58,50010,0000.426
NU2094585191.11.146478,4009,9000.432
NU209E4585191.11.16366.57,6009,0000.495
NU2105090201.11.148517,6009,0000.47
NU210E5090201.11.166726,9008,1000.54
NU21155100211.51.15862.56,9008,2000.638
NU211E55100211.51.182.5936,3007,4000.718
NU21260110221.51.568.5756,4007,6000.818
NU212E60110221.51.597.51075,8006,8000.923
NU21365120231.51.58494.55,9007,0001.02
NU213E65120231.51.51081195,4006,3001.21
NU21470125241.51.583.5955,5006,5001.12
NU214E70125241.51.51191375,0005,9001.3
NU21575130251.51.596.51115,1006,0001.23
NU215E75130251.51.51301564,7005,5001.41
NU2168014026221061224,8005,7001.5
NU216E8014026221391674,4005,1001.67
NU2178515028221201404,5005,3001.87
NU217E8515028221671994,1004,8002.11
NU2189016030221521784,3005,0002.3
NU218E9016030221822173,9004,6002.44
NU21995170322.12.11661954,0004,7002.78
NU219E95170322.12.12202653,6004,3003.02
NU220100180342.12.11832173,8004,5003.33
NU220E100180342.12.12493053,5004,1003.66
NU221105190362.12.12012413,6004,3003.95
NU222110200382.12.12402903,4004,0004.63
NU224120215402.12.12603203,2003,7005.57
NU224E120215402.12.13354202,9003,4005.97
NU22613023040332703402,9003,4006.3
NU226E13023040333654552,6003,1006.9
NU22814025042333104002,7003,1007.88
NU228E14025042333955152,4002,8008.73
NU23015027045333454352,5002,9009.92
NU230E15027045334505952,2002,60011



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