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Home >> Cylindrical roller bearing >> Cylindrical roller bearing
Product Parameter
Bearing symbol Principal dimensions (mm) Basic rated load (KN) Limit speed （r/min） Fitting dimension
（mm） 		Weight(kg)
d D B rsmin r1smin F E Cr Cor Grease Oil da（min) da(max) db(min) Da(max) Da(min) ra(max) rb(max)
NNU4068S.M/C3 340 520 180 4 385 2940 4800 800 1000 - - - 460 12 6 360 500 4 136
NNU4168M 340 580 243 5 402 4000 7550 780 940 - - - 510 - - 360 560 4 238.7
NN4968/W33 340 460 118 3 3 - - 1300 2890 - - - - - - - - - 55
NN3072K/W33 360 540 134 5 493 1720 3500 900 1100 - - 426 - 17.7 8 380 497 4 108
NNU4172M 360 600 243 5 422 3310 7200 670 850 - - - - - - - - - 285.2
NNU4972 360 480 118 3 3 399 - 1250 3380 - - - - - - - - - 61.6
NNU4176M 380 620 243 5 442 4130 8350 700 850 - - - - - - - - - 291
NNU4976M/W33 380 520 140 4 4 420 - 1640 4050 - - - - - - - - - 90.6
NNU4976X2/C4S1 380 520 106 4 4 426 - 1240 3080 - - - - - - - - - 69.4
NNU4180X3EMA/HCP63 400 680 270 6 472 5100 9550 1000 1250 - - - 568 - - 426 624 5 422
NNU4180M/C3 400 650 250 6 463 4700 9550 1000 1250 - - - 568 - - 426 624 5 331.6
NNU4180M/W33 400 650 250 6 463 4700 9550 1000 1250 - - - 568 - - 426 624 5 331
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