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  • Double-Row-Cylindrical-Roller-Bearings-Main_Family-Picture-2026
  • Two-Row Cylindrical Roller Bearing
Timken two-row, or double-row, cylindrical bearings are designed for additional strength in carrying radial loads. These bearing types are interchangeable so the dimensions and diameter under the rollers (NNU style) and diameter over the rollers (NN style) are held to an ISO/DIN standard. Double row full complement cylindrical roller bearings are also available to meet the need for radial load carrying capacity.
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Bore (d) (mm)

O.D. (D) (mm)

O.D. (D) (in)

Width (B) (mm)

Width (B) (in)

Dynamic Radial Load Rating - 1M Revs (C1) (N)

Dynamic Radial Load Rating - 1M Revs (C1) (lbf)

Thermal Reference Speed - Oil  (rpm)

Thermal Reference Speed - Grease  (rpm)

Part Number

Bore (d)

O.D. (D)

Width (B)

Static Radial Load Rating (C0)

Dynamic Radial Load Rating - 1M Revs (C1)

DUR/DOR F/E

Thermal Reference Speed - Oil 

Thermal Reference Speed - Grease 

CAD

NNU4930MAW33 N/A 150 mm N/A 210 mm8.2677 in N/A 60 mm2.3622 in N/A 668000 N150200 lbf N/A 374000 N84100 lbf N/A 168.5 mm6.6339 in N/A 2100 rpm N/A 1800 rpm N/A CAD Icon (for items table)
NNU4932MAW33 N/A 160 mm N/A 220 mm8.6614 in N/A 60 mm2.3622 in N/A 692000 N155600 lbf N/A 380000 N85300 lbf N/A 178.5 mm7.0276 in N/A 2000 rpm N/A 1700 rpm N/A CAD Icon (for items table)
NNU4934MAW33 N/A 170 mm N/A 230 mm9.0551 in N/A 60 mm2.3622 in N/A 696000 N156200 lbf N/A 376000 N84600 lbf N/A 188.5 mm7.4213 in N/A 1900 rpm N/A 1600 rpm N/A CAD Icon (for items table)
NNU4936MAW33 N/A 180 mm N/A 250 mm9.8425 in N/A 69 mm2.7165 in N/A 850000 N191000 lbf N/A 449000 N101000 lbf N/A 202 mm7.9528 in N/A 1700 rpm N/A 1500 rpm N/A CAD Icon (for items table)
NNU4938MAW33 N/A 190 mm N/A 260 mm10.2362 in N/A 69 mm2.7165 in N/A 890000 N200000 lbf N/A 459000 N103000 lbf N/A 212 mm8.3465 in N/A 1600 rpm N/A 1400 rpm N/A CAD Icon (for items table)
NNU4940MAW33 N/A 200 mm N/A 280 mm11.0236 in N/A 80 mm3.1496 in N/A 1046000 N234000 lbf N/A 550000 N124000 lbf N/A 225 mm8.8583 in N/A 1500 rpm N/A 1300 rpm N/A CAD Icon (for items table)
NNU4140MAW33 N/A 200 mm N/A 340 mm13.3858 in N/A 140 mm5.5118 in N/A 2460000 N552000 lbf N/A 1690000 N381000 lbf N/A 235 mm9.2520 in N/A 1200 rpm N/A 1100 rpm N/A CAD Icon (for items table)
NNU4944MAW33 N/A 220 mm N/A 300 mm11.811 in N/A 80 mm3.1496 in N/A 1150000 N258000 lbf N/A 577000 N130000 lbf N/A 245 mm9.6457 in N/A 1400 rpm N/A 1200 rpm N/A CAD Icon (for items table)
NNU4144MAW33 N/A 220 mm N/A 370 mm14.5669 in N/A 150 mm5.9055 in N/A 2960000 N666000 lbf N/A 1930000 N434000 lbf N/A 258 mm10.1575 in N/A 1000 rpm N/A 940 rpm N/A CAD Icon (for items table)
NNU4948MAW33 N/A 240 mm N/A 320 mm12.5984 in N/A 80 mm3.1496 in N/A 1220000 N274000 lbf N/A 591000 N133000 lbf N/A 265 mm10.4331 in N/A 1200 rpm N/A 1100 rpm N/A CAD Icon (for items table)
NNU4148MAW33 N/A 240 mm N/A 400 mm15.748 in N/A 160 mm6.2992 in N/A 3680000 N828000 lbf N/A 2290000 N515000 lbf N/A 282 mm11.1024 in N/A 870 rpm N/A 800 rpm N/A CAD Icon (for items table)
NNU4952MAW33 N/A 260 mm N/A 360 mm14.1732 in N/A 100 mm3.937 in N/A 1710000 N385000 lbf N/A 856000 N192000 lbf N/A 292 mm11.4961 in N/A 1100 rpm N/A 950 rpm N/A CAD Icon (for items table)
NNU4152MAW33 N/A 260 mm N/A 440 mm17.3228 in N/A 180 mm7.0866 in N/A 4540000 N1022000 lbf N/A 2840000 N639000 lbf N/A 306 mm12.0472 in N/A 760 rpm N/A 710 rpm N/A CAD Icon (for items table)
NNU4956MAW33 N/A 280 mm N/A 380 mm14.9606 in N/A 100 mm3.937 in N/A 1834000 N412000 lbf N/A 880000 N198000 lbf N/A 312 mm12.2835 in N/A 1000 rpm N/A 880 rpm N/A CAD Icon (for items table)
NNU4156MAW33 N/A 280 mm N/A 460 mm18.1102 in N/A 180 mm7.0866 in N/A 4820000 N1084000 lbf N/A 2940000 N660000 lbf N/A 326 mm12.8346 in N/A 990 rpm N/A 910 rpm N/A CAD Icon (for items table)
NNU4960MAW33 N/A 300 mm N/A 420 mm16.5354 in N/A 118 mm4.6457 in N/A 2380000 N536000 lbf N/A 1170000 N263000 lbf N/A 339 mm13.3465 in N/A 880 rpm N/A 780 rpm N/A CAD Icon (for items table)
NNU4160MAW33 N/A 300 mm N/A 500 mm19.685 in N/A 200 mm7.8740 in N/A 6140000 N1382000 lbf N/A 3780000 N850000 lbf N/A 351 mm13.8189 in N/A 600 rpm N/A 560 rpm N/A CAD Icon (for items table)
NNU4964MAW33 N/A 320 mm N/A 440 mm17.3228 in N/A 118 mm4.6457 in N/A 2660000 N598000 lbf N/A 1270000 N285000 lbf N/A 359 mm14.1339 in N/A 790 rpm N/A 710 rpm N/A CAD Icon (for items table)
NNU4164MAW33 N/A 320 mm N/A 540 mm21.2598 in N/A 218 mm8.5827 in N/A 6280000 N1410000 lbf N/A 3940000 N886000 lbf N/A 375 mm14.7638 in N/A 590 rpm N/A 550 rpm N/A CAD Icon (for items table)
NNU4968MAW33 N/A 340 mm N/A 460 mm18.1102 in N/A 118 mm4.6457 in N/A 2660000 N598000 lbf N/A 1250000 N282000 lbf N/A 379 mm14.9213 in N/A 760 rpm N/A 670 rpm N/A CAD Icon (for items table)
NNU4068MAW33 N/A 340 mm N/A 520 mm20.4724 in N/A 180 mm7.0866 in N/A 5130000 N1153000 lbf N/A 2980000 N669000 lbf N/A 385 mm15.1575 in N/A 610 rpm N/A 560 rpm N/A CAD Icon (for items table)
NNU4168MAW33 N/A 340 mm N/A 580 mm22.8346 in N/A 243 mm9.5669 in N/A 7580000 N1704000 lbf N/A 4660000 N1050000 lbf N/A 402 mm15.8268 in N/A 530 rpm N/A 490 rpm N/A CAD Icon (for items table)
NNU4972MAW33 N/A 360 mm N/A 480 mm18.8976 in N/A 118 mm4.6457 in N/A 2800000 N630000 lbf N/A 1270000 N285000 lbf N/A 399 mm15.7087 in N/A 710 rpm N/A 630 rpm N/A CAD Icon (for items table)
NNU4072MAW33 N/A 360 mm N/A 540 mm21.2598 in N/A 180 mm7.0866 in N/A 5580000 N1256000 lbf N/A 3180000 N716000 lbf N/A 405 mm15.9449 in N/A 560 rpm N/A 510 rpm N/A CAD Icon (for items table)
NNU4172MAW33 N/A 360 mm N/A 600 mm23.622 in N/A 243 mm9.5669 in N/A 8480000 N1906000 lbf N/A 5000000 N1120000 lbf N/A 422 mm16.6142 in N/A 470 rpm N/A 440 rpm N/A CAD Icon (for items table)
NNU4976MAW33 N/A 380 mm N/A 520 mm20.4724 in N/A 140 mm5.5118 in N/A 3720000 N836000 lbf N/A 1660000 N373000 lbf N/A 426 mm16.7717 in N/A 630 rpm N/A 560 rpm N/A CAD Icon (for items table)
NNU4076MAW33 N/A 380 mm N/A 560 mm22.0472 in N/A 180 mm7.0866 in N/A 5860000 N1316000 lbf N/A 3260000 N733000 lbf N/A 425 mm16.7323 in N/A 530 rpm N/A 480 rpm N/A CAD Icon (for items table)
NNU4176MAW33 N/A 380 mm N/A 620 mm24.4094 in N/A 243 mm9.5669 in N/A 8520000 N1916000 lbf N/A 4990000 N1120000 lbf N/A 442 mm17.4016 in N/A 460 rpm N/A 430 rpm N/A CAD Icon (for items table)
NNU4980MAW33 N/A 400 mm N/A 540 mm21.2598 in N/A 140 mm5.5118 in N/A 3920000 N882000 lbf N/A 1710000 N384000 lbf N/A 446 mm17.5591 in N/A 600 rpm N/A 530 rpm N/A CAD Icon (for items table)
NNU4080MAW33 N/A 400 mm N/A 600 mm23.622 in N/A 200 mm7.8740 in N/A 7210000 N1621000 lbf N/A 3970000 N893000 lbf N/A 449 mm17.6772 in N/A 460 rpm N/A 430 rpm N/A CAD Icon (for items table)
NNU4180MAW33 N/A 400 mm N/A 650 mm25.5906 in N/A 250 mm9.8425 in N/A 9460000 N2120000 lbf N/A 5530000 N1240000 lbf N/A 463 mm18.2283 in N/A 410 rpm N/A 390 rpm N/A CAD Icon (for items table)
NNU4984MAW33 N/A 420 mm N/A 560 mm22.0472 in N/A 140 mm5.5118 in N/A 4140000 N928000 lbf N/A 1750000 N394000 lbf N/A 466 mm18.3465 in N/A 560 rpm N/A 500 rpm N/A CAD Icon (for items table)
NNU4084MAW33 N/A 420 mm N/A 620 mm24.4094 in N/A 200 mm7.8740 in N/A 7600000 N1706000 lbf N/A 4070000 N914000 lbf N/A 469 mm18.4646 in N/A 430 rpm N/A 400 rpm N/A CAD Icon (for items table)
NNU4184MAW33 N/A 420 mm N/A 700 mm27.5591 in N/A 280 mm11.0236 in N/A 11420000 N2560000 lbf N/A 6430000 N1450000 lbf N/A 497 mm19.5669 in N/A 370 rpm N/A 350 rpm N/A CAD Icon (for items table)
NNU4988MAW33 N/A 440 mm N/A 600 mm23.622 in N/A 160 mm6.2992 in N/A 5740000 N1292000 lbf N/A 2500000 N562000 lbf N/A 490 mm19.2913 in N/A 460 rpm N/A 420 rpm N/A CAD Icon (for items table)
NNU4088MAW33 N/A 440 mm N/A 650 mm25.5906 in N/A 212 mm8.3465 in N/A 8180000 N1840000 lbf N/A 4530000 N1020000 lbf N/A 487 mm19.1732 in N/A 410 rpm N/A 380 rpm N/A CAD Icon (for items table)
NNU4188MAW33 N/A 440 mm N/A 720 mm28.3465 in N/A 280 mm11.0236 in N/A 11400000 N2560000 lbf N/A 6620000 N1490000 lbf N/A 511 mm20.1181 in N/A 370 rpm N/A 340 rpm N/A CAD Icon (for items table)
NNU4992MAW33 N/A 460 mm N/A 620 mm24.4094 in N/A 160 mm6.2992 in N/A 5540000 N1246000 lbf N/A 2420000 N544000 lbf N/A 510 mm20.0787 in N/A 460 rpm N/A 420 rpm N/A CAD Icon (for items table)
NNU4092MAW33 N/A 460 mm N/A 680 mm26.7717 in N/A 218 mm8.5827 in N/A 9420000 N2120000 lbf N/A 4980000 N1120000 lbf N/A 513 mm20.1969 in N/A 370 rpm N/A 340 rpm N/A CAD Icon (for items table)
NNU4192MAW33 N/A 460 mm N/A 760 mm29.9213 in N/A 300 mm11.8110 in N/A 12960000 N2920000 lbf N/A 7440000 N1670000 lbf N/A 537 mm21.1417 in N/A 330 rpm N/A 320 rpm N/A CAD Icon (for items table)
NNU4996MAW33 N/A 480 mm N/A 650 mm25.5906 in N/A 170 mm6.6929 in N/A 6160000 N1382000 lbf N/A 2680000 N602000 lbf N/A 534 mm21.0236 in N/A 430 rpm N/A 390 rpm N/A CAD Icon (for items table)
NNU4096MAW33 N/A 480 mm N/A 700 mm27.5591 in N/A 218 mm8.5827 in N/A 9730000 N2189000 lbf N/A 5090000 N1150000 lbf N/A 533 mm20.9843 in N/A 350 rpm N/A 330 rpm N/A CAD Icon (for items table)
NNU4196MAW33 N/A 480 mm N/A 790 mm31.1024 in N/A 308 mm12.1260 in N/A 14260000 N3200000 lbf N/A 8190000 N1840000 lbf N/A 557 mm21.9291 in N/A 310 rpm N/A 290 rpm N/A CAD Icon (for items table)
NNU49/500MAW33 N/A 500 mm N/A 670 mm26.3780 in N/A 170 mm6.6929 in N/A 6280000 N1410000 lbf N/A 2690000 N605000 lbf N/A 554 mm21.8110 in N/A 420 rpm N/A 380 rpm N/A CAD Icon (for items table)
NNU49/500MAW33C3 N/A 500 mm N/A 670 mm26.3780 in N/A 170 mm6.6929 in N/A 6280000 N1410000 lbf N/A 2690000 N605000 lbf N/A 554 mm21.8110 in N/A 420 rpm N/A 380 rpm N/A CAD Icon (for items table)
NNU40/500MAW33 N/A 500 mm N/A 720 mm28.3465 in N/A 218 mm8.5827 in N/A 10560000 N2380000 lbf N/A 5550000 N1250000 lbf N/A 553 mm21.7717 in N/A 330 rpm N/A 310 rpm N/A CAD Icon (for items table)
NNU49/530MAW33 N/A 530 mm N/A 710 mm27.9528 in N/A 180 mm7.0866 in N/A 8180000 N1839000 lbf N/A 3360000 N755000 lbf N/A 588 mm23.1496 in N/A 350 rpm N/A 320 rpm N/A CAD Icon (for items table)
NNU40/530MAW33 N/A 530 mm N/A 780 mm30.7087 in N/A 250 mm9.8425 in N/A 12160000 N2740000 lbf N/A 6330000 N1420000 lbf N/A 591 mm23.2677 in N/A 300 rpm N/A 280 rpm N/A CAD Icon (for items table)
NNU49/560MAW33 N/A 560 mm N/A 750 mm29.5276 in N/A 190 mm7.4803 in N/A 8780000 N1976000 lbf N/A 3590000 N808000 lbf N/A 623 mm24.5276 in N/A 330 rpm N/A 300 rpm N/A CAD Icon (for items table)
NNU49/600MAW33 N/A 600 mm N/A 800 mm31.4961 in N/A 200 mm7.8740 in N/A 10120000 N2280000 lbf N/A 4040000 N907000 lbf N/A 666 mm26.2205 in N/A 290 rpm N/A 270 rpm N/A CAD Icon (for items table)
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