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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 480 mm N/A 790 mm31.1024 in N/A 308 mm12.1260 in N/A 557 mm21.9291 in N/A 14260000 N3200000 lbf N/A 8190000 N1840000 lbf N/A 310 rpm N/A 290 rpm N/A CAD
N/A 500 mm N/A 670 mm26.3780 in N/A 170 mm6.6929 in N/A 554 mm21.8110 in N/A 6280000 N1410000 lbf N/A 2690000 N605000 lbf N/A 420 rpm N/A 380 rpm N/A CAD
N/A 500 mm N/A 670 mm26.3780 in N/A 170 mm6.6929 in N/A 554 mm21.8110 in N/A 6280000 N1410000 lbf N/A 2690000 N605000 lbf N/A 420 rpm N/A 380 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 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 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 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 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
N/A 800 mm N/A 1060.000 mm41.7323 in N/A 258 mm10.1575 in N/A 880 mm34.6457 in N/A 17390000 N3909000 lbf N/A 7070000 N1590000 lbf N/A 190 rpm N/A 180 rpm N/A CAD
N/A 850 mm N/A 1120 mm44.0945 in N/A 272 mm10.7087 in N/A 939 mm36.9685 in N/A 17900000 N4020000 lbf N/A 6810000 N1530000 lbf N/A 190 rpm N/A 170 rpm N/A CAD
N/A 900 mm N/A 1180 mm46.4567 in N/A 280 mm11.0236 in N/A 986 mm38.8189 in N/A 20650000 N4643000 lbf N/A 7790000 N1750000 lbf N/A 160 rpm N/A 150 rpm N/A CAD
N/A 150 mm N/A 210 mm8.2677 in N/A 60 mm2.3622 in N/A 168.5 mm6.6339 in N/A 668000 N150200 lbf N/A 374000 N84100 lbf N/A 2100 rpm N/A 1800 rpm N/A CAD
N/A 160 mm N/A 220 mm8.6614 in N/A 60 mm2.3622 in N/A 178.5 mm7.0276 in N/A 692000 N155600 lbf N/A 380000 N85300 lbf N/A 2000 rpm N/A 1700 rpm N/A CAD
N/A 170 mm N/A 230 mm9.0551 in N/A 60 mm2.3622 in N/A 188.5 mm7.4213 in N/A 696000 N156200 lbf N/A 376000 N84600 lbf N/A 1900 rpm N/A 1600 rpm N/A CAD
N/A 180 mm N/A 250 mm9.8425 in N/A 69 mm2.7165 in N/A 202 mm7.9528 in N/A 850000 N191000 lbf N/A 449000 N101000 lbf N/A 1700 rpm N/A 1500 rpm N/A CAD
N/A 190 mm N/A 260 mm10.2362 in N/A 69 mm2.7165 in N/A 212 mm8.3465 in N/A 890000 N200000 lbf N/A 459000 N103000 lbf N/A 1600 rpm N/A 1400 rpm N/A CAD
N/A 200 mm N/A 280 mm11.0236 in N/A 80 mm3.1496 in N/A 225 mm8.8583 in N/A 1046000 N234000 lbf N/A 550000 N124000 lbf N/A 1500 rpm N/A 1300 rpm N/A CAD
N/A 220 mm N/A 300 mm11.811 in N/A 80 mm3.1496 in N/A 245 mm9.6457 in N/A 1150000 N258000 lbf N/A 577000 N130000 lbf N/A 1400 rpm N/A 1200 rpm N/A CAD
N/A 240 mm N/A 320 mm12.5984 in N/A 80 mm3.1496 in N/A 265 mm10.4331 in N/A 1220000 N274000 lbf N/A 591000 N133000 lbf N/A 1200 rpm N/A 1100 rpm N/A CAD
N/A 260 mm N/A 360 mm14.1732 in N/A 100 mm3.937 in N/A 292 mm11.4961 in N/A 1710000 N385000 lbf N/A 856000 N192000 lbf N/A 1100 rpm N/A 950 rpm N/A CAD
N/A 280 mm N/A 380.000 mm14.9606 in N/A 100 mm3.937 in N/A 312 mm12.2835 in N/A 1834000 N412000 lbf N/A 880000 N198000 lbf N/A 1000 rpm N/A 880 rpm N/A CAD
N/A 300 mm N/A 420 mm16.5354 in N/A 118 mm4.6457 in N/A 339 mm13.3465 in N/A 2380000 N536000 lbf N/A 1170000 N263000 lbf N/A 880 rpm N/A 780 rpm N/A CAD
N/A 320.000 mm N/A 440 mm17.3228 in N/A 118 mm4.6457 in N/A 359 mm14.1339 in N/A 2660000 N598000 lbf N/A 1270000 N285000 lbf N/A 790 rpm N/A 710 rpm N/A CAD
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