Double Row. Type: TNASW and TNASWE

Tapered Roller Bearings

Double Row. Type TNASW. Type TNASWE

Tapered roller bearings, double row, type TNASW, and type TNASWE are specific configurations designed for applications that require support for heavy axial and radial loads. These bearings have a double outer race with two single inner cones or two double inner cones, and they are often used in large-scale industrial machinery and equipment. The “W” in the designation typically indicates that the bearing is equipped with a lubrication groove and holes in the outer rings for ease of maintenance.

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part Number Load Ratings Bearing
weight
Inner outer width
T
Double
Bore
d		 0.D.
D		 0uter Ring
width
C
Dynamic（1)
     mm
in.		      mm
in.		 mm
in.		 mm
in.		 N
lbf		 kg
lbs.
NA26118SW 26284D 29.987            71.973            42.760           36.512 121000 0.84
1.86
1.1806      2.8336      1.6835      1.4375 27300
NA438SW 432D 44.450            95.250            61.915           50.800 221000 2.00
4.40
1.7500      3.7500      2.4376      2.0000 49700
NA3780SW 3729D 50.800            93.264            65.088           52.388 213000 1.81
3.99
2.0000      3.6718      2.5625      2.0625 47800
NA455SW 452D 50.800           107.950           65.090           53.975 236000 2.80
6.20
2.0000      4.2500      2.5626      2.1250 53100
NA33895SW K302667 53.975           127.000           69.850           68.265 226000 4.83
10.64
2.1250      5.0000      2.7500      2.6876 50800
NA558SW 552D 60.325           123.825           79.375           63.500 332000 4.33
9.57
2.3750      4.8750      3.1250      2.5000 74700
NA643SW 632D 69.850           136.525           95.250           76.200 406000 5.92
13.01
2.7500      5.3750      3.7500      3.0000 91200
NA484SW 472D 70.000           120.000           65.090           53.975 250000 2.91
6.39
2.7559      4.7244      2.5626      2.1250 56100
NA495SW 493D 76.200           136.525           69.850           53.975 269000 4.08
8.97
3.0000      5.3750      2.7500      2.1250 60500
NA659SW 654D 76.200           152.400           95.250           76.200 430000 7.63
16.83
3.0000      6.0000      3.7500      3.0000 96700
NA497SW 493D 85.725           136.525           73.025           53.975 254000 3.56
7.84
3.3750      5.3750      2.8750      2.1250 57100
NA593SW 592D 88.900           152.400           82.550           63.500 376000 5.81
12.82
3.5000      6.0000      3.2500      2.5000 84600
NA759SW 752D 88.900           161.925          104.775           85.725 570000 8.80
19.38
3.5000      6.3750      4.1250      3.3750 128000
NA776SW 773D 95.250           180.000          104.775           85.725 603000 11.49
25.34
3.7500      7.0866      4.1250      3.3750 135000
NA776SW 774D 95.250           180.975          104.775           85.725 603000 11.44
25.21
3.7500      7.1250      4.1250      3.3750 135000
NA691SW 672D 101.600          168.275           92.075           69.850 461000 7.82
17.23
4.0000      6.6250      3.6250      2.7500 104000
LM246349NW LM246310D 234.950          325.438          107.950           76.200 929000 23.01
50.70
9.2500      12.8125      4.2500      3.0000 209000
NP446605  NP930308 303.886 419 162 130 2060000  64.32
11.9640 17 6 5 464000 141.79
NP633856 NP930308 304.800 419 162 130 2060000 63.76
12.0000 17 6 5 464000 63.76
L163149NW L163110CD 355.600 445 137 111 1280000 44.96
14.0000 18 5 4 287000

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