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.
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 |
|---|---|---|---|---|---|---|---|---|---|
| NNU49/630MAW33 | Bore (d) N/A 630.000 mm | O.D. (D) N/A 850 mm33.4646 in | Width (B) N/A 218 mm8.5827 in | DUR/DOR F/E N/A 704 mm27.7165 in | Static Radial Load Rating (C0) N/A 11520000 N2580000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 4570000 N1030000 lbf | Thermal Reference Speed - Oil N/A 270 rpm | Thermal Reference Speed - Grease N/A 250 rpm |
CAD
N/A
|
| NNU49/670MAW33 | Bore (d) N/A 670 mm | O.D. (D) N/A 900 mm35.4331 in | Width (B) N/A 230 mm9.0551 in | DUR/DOR F/E N/A 738 mm29.0551 in | Static Radial Load Rating (C0) N/A 13460000 N3020000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 5430000 N1220000 lbf | Thermal Reference Speed - Oil N/A 240 rpm | Thermal Reference Speed - Grease N/A 230 rpm |
CAD
N/A
|
| NNU40/670MAW33 | Bore (d) N/A 670 mm | O.D. (D) N/A 980 mm38.5827 in | Width (B) N/A 308 mm12.1260 in | DUR/DOR F/E N/A 744 mm29.2913 in | Static Radial Load Rating (C0) N/A 18840000 N4236000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 9740000 N2190000 lbf | Thermal Reference Speed - Oil N/A 210 rpm | Thermal Reference Speed - Grease N/A 200 rpm |
CAD
N/A
|
| NNU49/710MAW33 | Bore (d) N/A 710 mm | O.D. (D) N/A 950 mm37.4016 in | Width (B) N/A 243 mm9.5669 in | DUR/DOR F/E N/A 782 mm30.7874 in | Static Radial Load Rating (C0) N/A 14660000 N3300000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 6310000 N1420000 lbf | Thermal Reference Speed - Oil N/A 220 rpm | Thermal Reference Speed - Grease N/A 210 rpm |
CAD
N/A
|
| NNU49/750MAW33 | Bore (d) N/A 750 mm | O.D. (D) N/A 1000 mm39.3701 in | Width (B) N/A 250 mm9.8425 in | DUR/DOR F/E N/A 831 mm32.7165 in | Static Radial Load Rating (C0) N/A 16480000 N3700000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 6230000 N1400000 lbf | Thermal Reference Speed - Oil N/A 200 rpm | Thermal Reference Speed - Grease N/A 190 rpm |
CAD
N/A
|
| NNU49/800MAW33 | Bore (d) N/A 800 mm | O.D. (D) N/A 1060.000 mm41.7323 in | Width (B) N/A 258 mm10.1575 in | DUR/DOR F/E N/A 880 mm34.6457 in | Static Radial Load Rating (C0) N/A 17390000 N3909000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 7070000 N1590000 lbf | Thermal Reference Speed - Oil N/A 190 rpm | Thermal Reference Speed - Grease N/A 180 rpm |
CAD
N/A
|
| NNU49/850MAW33 | Bore (d) N/A 850 mm | O.D. (D) N/A 1120 mm44.0945 in | Width (B) N/A 272 mm10.7087 in | DUR/DOR F/E N/A 939 mm36.9685 in | Static Radial Load Rating (C0) N/A 17900000 N4020000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 6810000 N1530000 lbf | Thermal Reference Speed - Oil N/A 190 rpm | Thermal Reference Speed - Grease N/A 170 rpm |
CAD
N/A
|
| NNU49/900MAW33 | Bore (d) N/A 900 mm | O.D. (D) N/A 1180 mm46.4567 in | Width (B) N/A 280 mm11.0236 in | DUR/DOR F/E N/A 986 mm38.8189 in | Static Radial Load Rating (C0) N/A 20650000 N4643000 lbf | Dynamic Radial Load Rating - 1M Revs (C1) N/A 7790000 N1750000 lbf | Thermal Reference Speed - Oil N/A 160 rpm | Thermal Reference Speed - Grease N/A 150 rpm |
CAD
N/A
|
