Ball and Roller Bearings

Cylindrical Roller BearingsBBrr1rr1r1rr1r1rrD d FW JJD EWd JType NU Type NJ Type NUP Type N Type NFd Boundary dimensions Basic load ratings Limiting speeds Bearing numbers dynamic static dynamic staticmm kN kgf min -1 type type type typed D B rs min r1s min Cr Cor Cr Cor grease oil NU NJ NUP N200220240260280300320340360420 138 5 5 1 510 2 240 154 000 229 000 1 400 1 600 NU2340 NJ NUP N340 56 3 3 500 750 51 000 76 500 2 000 2 300 NU1044 NJ NUP N400 65 4 4 760 1 080 77 500 110 000 1 600 1 900 NU244 NJ NUP N400 108 4 4 1 140 1 810 116 000 184 000 1 500 1 700 NU2244 NJ NUP N460 88 5 5 1 190 1 570 122 000 161 000 1 400 1 600 NU344 NJ NUP N460 145 5 5 1 780 2 620 181 000 268 000 1 200 1 400 NU2344 NJ NUP N360 56 3 3 530 820 54 000 83 500 1 800 2 100 NU1048 NJ NUP N440 72 4 4 935 1 340 95 500 136 000 1 500 1 700 NU248 NJ NUP N440 120 4 4 1 440 2 320 146 000 236 000 1 300 1 600 NU2248 NJ NUP N500 95 5 5 1 430 1 950 146 000 198 000 1 300 1 500 NU348 NJ NUP N500 155 5 5 2 100 3 200 214 000 325 000 1 100 1 300 NU2348 NJ NUP N400 65 4 4 645 1 000 65 500 102 000 1 600 1 900 NU1052 NJ NUP N480 80 5 5 1 150 1 660 117 000 170 000 1 300 1 600 NU252 NJ NUP N480 130 5 5 1 780 2 930 182 000 299 000 1 200 1 400 NU2252 NJ NUP N540 102 6 6 1 620 2 230 165 000 228 000 1 200 1 400 NU352 NJ NUP N540 165 6 6 2 340 3 600 239 000 365 000 1 000 1 200 NU2352 NJ NUP N420 65 4 4 660 1 050 67 000 107 000 1 500 1 800 NU1056 NJ NUP N500 80 5 5 1 190 1 760 121 000 180 000 1 200 1 400 NU256 NJ NUP N500 130 5 5 1 840 3 100 188 000 315 000 1 100 1 300 NU2256 NJ NUP N580 108 6 6 1 820 2 540 185 000 259 000 1 100 1 200 NU356 NJ NUP N580 175 6 6 2 700 4 250 275 000 430 000 920 1 100 NU2356 NJ NUP N460 74 4 4 855 1 340 87 000 137 000 1 400 1 600 NU1060 NJ NUP N540 85 5 5 1 400 2 070 143 000 211 000 1 100 1 300 NU260 NJ NUP N540 140 5 5 2 180 3 650 223 000 370 000 1 000 1 200 NU2260 NJ NUP N480 74 4 4 875 1 410 89 500 143 000 1 300 1 500 NU1064 NJ NUP N580 92 5 5 1 600 2 390 164 000 244 000 1 000 1 200 NU264 NJ NUP N580 150 5 5 2 550 4 350 260 000 445 000 950 1 100 NU2264 NJ NUP N520 82 5 5 1 050 1 670 107 000 170 000 1 200 1 400 NU1068 NJ NUP N540 82 5 5 1 080 1 750 110 000 179 000 1 100 1 300 NU1072 NJ NUP NThis value achieved with machined cages; when pressed cages are used, 80% of this value is acceptable.Production switched to E type only for bearing number for which there is no standard form.Minimal allowable dimension for chamfer dimension r or r1.B-94