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  • Additional radial load-carrying capability compared to single-row product.
  • Designed to ISO/DIN specified interchangeable dimensions.
  • Sold as complete assembly.

NNU-1
  • Outer rings with solid ribs.
  • Lubrication grooves and holes on outer rings.
  • One solid brass cage.

The radial internal clearance (RIC) for the bearing assembly must be included when ordering the complete assembly.
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Clear Filter

Bore d (mm)

O.D. D (mm)

O.D. D (in)

Width B (mm)

Width B (in)

Dynamic Load Rating C1 (N)

Dynamic Load Rating C1 (lbf)

Thermal Speed Ratings - Oil (rpm)

Thermal Speed Ratings - Grease (rpm)

Part Number

Bore d

O.D. D

Width B

DUR/DOR F/E

Static Load Rating Co

Dynamic Load Rating C1

Thermal Speed Ratings - Oil

Thermal Speed Ratings - Grease

CAD

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N/A 260 mm N/A 440 mm17.3228 in N/A 180 mm7.0866 in N/A 306 mm12.0472 in N/A 4540000 N1022000 lbf N/A 2840000 N639000 lbf N/A 760 rpm N/A 710 rpm N/A CAD
N/A 280 mm N/A 460 mm18.1102 in N/A 180 mm7.0866 in N/A 326 mm12.8346 in N/A 4820000 N1084000 lbf N/A 2940000 N660000 lbf N/A 990 rpm N/A 910 rpm N/A CAD
N/A 340.000 mm N/A 520 mm20.4724 in N/A 180 mm7.0866 in N/A 385 mm15.1575 in N/A 5130000 N1153000 lbf N/A 2980000 N669000 lbf N/A 610 rpm N/A 560 rpm N/A CAD
N/A 360.000 mm N/A 540 mm21.2598 in N/A 180 mm7.0866 in N/A 405 mm15.9449 in N/A 5580000 N1256000 lbf N/A 3180000 N716000 lbf N/A 560 rpm N/A 510 rpm N/A CAD
N/A 380 mm N/A 560 mm22.0472 in N/A 180 mm7.0866 in N/A 425 mm16.7323 in N/A 5860000 N1316000 lbf N/A 3260000 N733000 lbf N/A 530 rpm N/A 480 rpm N/A CAD
N/A 530 mm N/A 710 mm27.9528 in N/A 180 mm7.0866 in N/A 588 mm23.1496 in N/A 8180000 N1839000 lbf N/A 3360000 N755000 lbf N/A 350 rpm N/A 320 rpm N/A CAD
N/A 560 mm N/A 750 mm29.5276 in N/A 190 mm7.4803 in N/A 623 mm24.5276 in N/A 8780000 N1976000 lbf N/A 3590000 N808000 lbf N/A 330 rpm N/A 300 rpm N/A CAD
N/A 300 mm N/A 500 mm19.685 in N/A 200 mm7.874 in N/A 351 mm13.8189 in N/A 6140000 N1382000 lbf N/A 3780000 N850000 lbf N/A 600 rpm N/A 560 rpm N/A CAD
N/A 400 mm N/A 600 mm23.6220 in N/A 200 mm7.874 in N/A 449 mm17.6772 in N/A 7210000 N1621000 lbf N/A 3970000 N893000 lbf N/A 460 rpm N/A 430 rpm N/A CAD
N/A 420 mm N/A 620 mm24.4094 in N/A 200 mm7.874 in N/A 469 mm18.4646 in N/A 7600000 N1706000 lbf N/A 4070000 N914000 lbf N/A 430 rpm N/A 400 rpm N/A CAD
N/A 600 mm N/A 800 mm31.4961 in N/A 200 mm7.874 in N/A 666 mm26.2205 in N/A 10120000 N2280000 lbf N/A 4040000 N907000 lbf N/A 290 rpm N/A 270 rpm N/A CAD
N/A 440 mm N/A 650 mm25.5906 in N/A 212 mm8.3465 in N/A 487 mm19.1732 in N/A 8180000 N1840000 lbf N/A 4530000 N1020000 lbf N/A 410 rpm N/A 380 rpm N/A CAD
N/A 320.000 mm N/A 540 mm21.2598 in N/A 218 mm8.5827 in N/A 375 mm14.7638 in N/A 6280000 N1410000 lbf N/A 3940000 N886000 lbf N/A 590 rpm N/A 550 rpm N/A CAD
N/A 460 mm N/A 680 mm26.7717 in N/A 218 mm8.5827 in N/A 513 mm20.1969 in N/A 9420000 N2120000 lbf N/A 4980000 N1120000 lbf N/A 370 rpm N/A 340 rpm N/A CAD
N/A 480 mm N/A 700 mm27.5591 in N/A 218 mm8.5827 in N/A 533 mm20.9843 in N/A 9730000 N2189000 lbf N/A 5090000 N1150000 lbf N/A 350 rpm N/A 330 rpm N/A CAD
N/A 500 mm N/A 720 mm28.3465 in N/A 218 mm8.5827 in N/A 553 mm21.7717 in N/A 10560000 N2380000 lbf N/A 5550000 N1250000 lbf N/A 330 rpm N/A 310 rpm N/A CAD
N/A 630.000 mm N/A 850 mm33.4646 in N/A 218 mm8.5827 in N/A 704 mm27.7165 in N/A 11520000 N2580000 lbf N/A 4570000 N1030000 lbf N/A 270 rpm N/A 250 rpm N/A CAD
N/A 670 mm N/A 900 mm35.4331 in N/A 230 mm9.0551 in N/A 738 mm29.0551 in N/A 13460000 N3020000 lbf N/A 5430000 N1220000 lbf N/A 240 rpm N/A 230 rpm N/A CAD
N/A 340.000 mm N/A 580 mm22.8346 in N/A 243 mm9.5669 in N/A 402 mm15.8268 in N/A 7580000 N1704000 lbf N/A 4660000 N1050000 lbf N/A 530 rpm N/A 490 rpm N/A CAD
N/A 360.000 mm N/A 600 mm23.6220 in N/A 243 mm9.5669 in N/A 422 mm16.6142 in N/A 8480000 N1906000 lbf N/A 5000000 N1120000 lbf N/A 470 rpm N/A 440 rpm N/A CAD
N/A 380 mm N/A 620 mm24.4094 in N/A 243 mm9.5669 in N/A 442 mm17.4016 in N/A 8520000 N1916000 lbf N/A 4990000 N1120000 lbf N/A 460 rpm N/A 430 rpm N/A CAD
N/A 710 mm N/A 950 mm37.4016 in N/A 243 mm9.5669 in N/A 782 mm30.7874 in N/A 14660000 N3300000 lbf N/A 6310000 N1420000 lbf N/A 220 rpm N/A 210 rpm N/A CAD
N/A 400 mm N/A 650 mm25.5906 in N/A 250 mm9.8425 in N/A 463 mm18.2283 in N/A 9460000 N2120000 lbf N/A 5530000 N1240000 lbf N/A 410 rpm N/A 390 rpm N/A CAD
N/A 530 mm N/A 780 mm30.7087 in N/A 250 mm9.8425 in N/A 591 mm23.2677 in N/A 12160000 N2740000 lbf N/A 6330000 N1420000 lbf N/A 300 rpm N/A 280 rpm N/A CAD
N/A 750 mm N/A 1000 mm39.3701 in N/A 250 mm9.8425 in N/A 831 mm32.7165 in N/A 16480000 N3700000 lbf N/A 6230000 N1400000 lbf N/A 200 rpm N/A 190 rpm N/A CAD
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