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Cylindrical Roller Radial Bearings - Two-Row
Cylindrical Roller Bearings
NNU-1
The radial internal clearance (RIC) for the bearing assembly must be included when ordering the complete assembly.
- 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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Filter
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) |
DUR/DOR F/E |
Static Radial Load Rating (C0) |
Dynamic Radial Load Rating - 1M Revs (C1) |
Thermal Reference Speed - Oil |
Thermal Reference Speed - Grease |
CAD |
|---|---|---|---|---|---|---|---|---|---|
| NNU4930MAW33 | Bore (d) N/A 150 mm | O.D. (D) N/A 210 mm8.2677 in | Width (B) N/A 60 mm2.3622 in | DUR/DOR F/E N/A 168.5 mm6.6339 in | Static Radial Load Rating (C0) N/A 668000 N150200 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 374000 N84100 lbf | Thermal Reference Speed - Oil N/A 2100 rpm | Thermal Reference Speed - Grease N/A 1800 rpm |
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| NNU4932MAW33 | Bore (d) N/A 160 mm | O.D. (D) N/A 220 mm8.6614 in | Width (B) N/A 60 mm2.3622 in | DUR/DOR F/E N/A 178.5 mm7.0276 in | Static Radial Load Rating (C0) N/A 692000 N155600 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 380000 N85300 lbf | Thermal Reference Speed - Oil N/A 2000 rpm | Thermal Reference Speed - Grease N/A 1700 rpm |
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| NNU4934MAW33 | Bore (d) N/A 170 mm | O.D. (D) N/A 230 mm9.0551 in | Width (B) N/A 60 mm2.3622 in | DUR/DOR F/E N/A 188.5 mm7.4213 in | Static Radial Load Rating (C0) N/A 696000 N156200 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 376000 N84600 lbf | Thermal Reference Speed - Oil N/A 1900 rpm | Thermal Reference Speed - Grease N/A 1600 rpm |
CAD
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| NNU4936MAW33 | Bore (d) N/A 180 mm | O.D. (D) N/A 250 mm9.8425 in | Width (B) N/A 69 mm2.7165 in | DUR/DOR F/E N/A 202 mm7.9528 in | Static Radial Load Rating (C0) N/A 850000 N191000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 449000 N101000 lbf | Thermal Reference Speed - Oil N/A 1700 rpm | Thermal Reference Speed - Grease N/A 1500 rpm |
CAD
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| NNU4938MAW33 | Bore (d) N/A 190 mm | O.D. (D) N/A 260 mm10.2362 in | Width (B) N/A 69 mm2.7165 in | DUR/DOR F/E N/A 212 mm8.3465 in | Static Radial Load Rating (C0) N/A 890000 N200000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 459000 N103000 lbf | Thermal Reference Speed - Oil N/A 1600 rpm | Thermal Reference Speed - Grease N/A 1400 rpm |
CAD
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| NNU4940MAW33 | Bore (d) N/A 200 mm | O.D. (D) N/A 280 mm11.0236 in | Width (B) N/A 80 mm3.1496 in | DUR/DOR F/E N/A 225 mm8.8583 in | Static Radial Load Rating (C0) N/A 1046000 N234000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 550000 N124000 lbf | Thermal Reference Speed - Oil N/A 1500 rpm | Thermal Reference Speed - Grease N/A 1300 rpm |
CAD
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| NNU4140MAW33 | Bore (d) N/A 200 mm | O.D. (D) N/A 340 mm13.3858 in | Width (B) N/A 140 mm5.5118 in | DUR/DOR F/E N/A 235 mm9.2520 in | Static Radial Load Rating (C0) N/A 2460000 N552000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 1690000 N381000 lbf | Thermal Reference Speed - Oil N/A 1200 rpm | Thermal Reference Speed - Grease N/A 1100 rpm |
CAD
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| NNU4944MAW33 | Bore (d) N/A 220 mm | O.D. (D) N/A 300 mm11.811 in | Width (B) N/A 80 mm3.1496 in | DUR/DOR F/E N/A 245 mm9.6457 in | Static Radial Load Rating (C0) N/A 1150000 N258000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 577000 N130000 lbf | Thermal Reference Speed - Oil N/A 1400 rpm | Thermal Reference Speed - Grease N/A 1200 rpm |
CAD
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| NNU4144MAW33 | Bore (d) N/A 220 mm | O.D. (D) N/A 370 mm14.5669 in | Width (B) N/A 150 mm5.9055 in | DUR/DOR F/E N/A 258 mm10.1575 in | Static Radial Load Rating (C0) N/A 2960000 N666000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 1930000 N434000 lbf | Thermal Reference Speed - Oil N/A 1000 rpm | Thermal Reference Speed - Grease N/A 940 rpm |
CAD
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| NNU4948MAW33 | Bore (d) N/A 240 mm | O.D. (D) N/A 320 mm12.5984 in | Width (B) N/A 80 mm3.1496 in | DUR/DOR F/E N/A 265 mm10.4331 in | Static Radial Load Rating (C0) N/A 1220000 N274000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 591000 N133000 lbf | Thermal Reference Speed - Oil N/A 1200 rpm | Thermal Reference Speed - Grease N/A 1100 rpm |
CAD
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| NNU4148MAW33 | Bore (d) N/A 240 mm | O.D. (D) N/A 400 mm15.748 in | Width (B) N/A 160 mm6.2992 in | DUR/DOR F/E N/A 282 mm11.1024 in | Static Radial Load Rating (C0) N/A 3680000 N828000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 2290000 N515000 lbf | Thermal Reference Speed - Oil N/A 870 rpm | Thermal Reference Speed - Grease N/A 800 rpm |
CAD
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| NNU4952MAW33 | Bore (d) N/A 260 mm | O.D. (D) N/A 360 mm14.1732 in | Width (B) N/A 100 mm3.937 in | DUR/DOR F/E N/A 292 mm11.4961 in | Static Radial Load Rating (C0) N/A 1710000 N385000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 856000 N192000 lbf | Thermal Reference Speed - Oil N/A 1100 rpm | Thermal Reference Speed - Grease N/A 950 rpm |
CAD
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| NNU4152MAW33 | Bore (d) N/A 260 mm | O.D. (D) N/A 440 mm17.3228 in | Width (B) N/A 180 mm7.0866 in | DUR/DOR F/E N/A 306 mm12.0472 in | Static Radial Load Rating (C0) N/A 4540000 N1022000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 2840000 N639000 lbf | Thermal Reference Speed - Oil N/A 760 rpm | Thermal Reference Speed - Grease N/A 710 rpm |
CAD
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| NNU4956MAW33 | Bore (d) N/A 280 mm | O.D. (D) N/A 380 mm14.9606 in | Width (B) N/A 100 mm3.937 in | DUR/DOR F/E N/A 312 mm12.2835 in | Static Radial Load Rating (C0) N/A 1834000 N412000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 880000 N198000 lbf | Thermal Reference Speed - Oil N/A 1000 rpm | Thermal Reference Speed - Grease N/A 880 rpm |
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| NNU4156MAW33 | Bore (d) N/A 280 mm | O.D. (D) N/A 460 mm18.1102 in | Width (B) N/A 180 mm7.0866 in | DUR/DOR F/E N/A 326 mm12.8346 in | Static Radial Load Rating (C0) N/A 4820000 N1084000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 2940000 N660000 lbf | Thermal Reference Speed - Oil N/A 990 rpm | Thermal Reference Speed - Grease N/A 910 rpm |
CAD
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| NNU4960MAW33 | Bore (d) N/A 300 mm | O.D. (D) N/A 420 mm16.5354 in | Width (B) N/A 118 mm4.6457 in | DUR/DOR F/E N/A 339 mm13.3465 in | Static Radial Load Rating (C0) N/A 2380000 N536000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 1170000 N263000 lbf | Thermal Reference Speed - Oil N/A 880 rpm | Thermal Reference Speed - Grease N/A 780 rpm |
CAD
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| NNU4160MAW33 | Bore (d) N/A 300 mm | O.D. (D) N/A 500 mm19.685 in | Width (B) N/A 200 mm7.874 in | DUR/DOR F/E N/A 351 mm13.8189 in | Static Radial Load Rating (C0) N/A 6140000 N1382000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 3780000 N850000 lbf | Thermal Reference Speed - Oil N/A 600 rpm | Thermal Reference Speed - Grease N/A 560 rpm |
CAD
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| NNU4964MAW33 | Bore (d) N/A 320 mm | O.D. (D) N/A 440 mm17.3228 in | Width (B) N/A 118 mm4.6457 in | DUR/DOR F/E N/A 359 mm14.1339 in | Static Radial Load Rating (C0) N/A 2660000 N598000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 1270000 N285000 lbf | Thermal Reference Speed - Oil N/A 790 rpm | Thermal Reference Speed - Grease N/A 710 rpm |
CAD
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| NNU4164MAW33 | Bore (d) N/A 320 mm | O.D. (D) N/A 540 mm21.2598 in | Width (B) N/A 218 mm8.5827 in | DUR/DOR F/E N/A 375 mm14.7638 in | Static Radial Load Rating (C0) N/A 6280000 N1410000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 3940000 N886000 lbf | Thermal Reference Speed - Oil N/A 590 rpm | Thermal Reference Speed - Grease N/A 550 rpm |
CAD
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| NNU4968MAW33 | Bore (d) N/A 340 mm | O.D. (D) N/A 460 mm18.1102 in | Width (B) N/A 118 mm4.6457 in | DUR/DOR F/E N/A 379 mm14.9213 in | Static Radial Load Rating (C0) N/A 2660000 N598000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 1250000 N282000 lbf | Thermal Reference Speed - Oil N/A 760 rpm | Thermal Reference Speed - Grease N/A 670 rpm |
CAD
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| NNU4068MAW33 | Bore (d) N/A 340 mm | O.D. (D) N/A 520 mm20.4724 in | Width (B) N/A 180 mm7.0866 in | DUR/DOR F/E N/A 385 mm15.1575 in | Static Radial Load Rating (C0) N/A 5130000 N1153000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 2980000 N669000 lbf | Thermal Reference Speed - Oil N/A 610 rpm | Thermal Reference Speed - Grease N/A 560 rpm |
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| NNU4168MAW33 | Bore (d) N/A 340 mm | O.D. (D) N/A 580 mm22.8346 in | Width (B) N/A 243 mm9.5669 in | DUR/DOR F/E N/A 402 mm15.8268 in | Static Radial Load Rating (C0) N/A 7580000 N1704000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 4660000 N1050000 lbf | Thermal Reference Speed - Oil N/A 530 rpm | Thermal Reference Speed - Grease N/A 490 rpm |
CAD
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| NNU4972MAW33 | Bore (d) N/A 360 mm | O.D. (D) N/A 480 mm18.8976 in | Width (B) N/A 118 mm4.6457 in | DUR/DOR F/E N/A 399 mm15.7087 in | Static Radial Load Rating (C0) N/A 2800000 N630000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 1270000 N285000 lbf | Thermal Reference Speed - Oil N/A 710 rpm | Thermal Reference Speed - Grease N/A 630 rpm |
CAD
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| NNU4072MAW33 | Bore (d) N/A 360 mm | O.D. (D) N/A 540 mm21.2598 in | Width (B) N/A 180 mm7.0866 in | DUR/DOR F/E N/A 405 mm15.9449 in | Static Radial Load Rating (C0) N/A 5580000 N1256000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 3180000 N716000 lbf | Thermal Reference Speed - Oil N/A 560 rpm | Thermal Reference Speed - Grease N/A 510 rpm |
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| NNU4172MAW33 | Bore (d) N/A 360 mm | O.D. (D) N/A 600 mm23.6220 in | Width (B) N/A 243 mm9.5669 in | DUR/DOR F/E N/A 422 mm16.6142 in | Static Radial Load Rating (C0) N/A 8480000 N1906000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 5000000 N1120000 lbf | Thermal Reference Speed - Oil N/A 470 rpm | Thermal Reference Speed - Grease N/A 440 rpm |
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