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Taper roller bearings

Tapered roller bearings are divided into: single row tapered roller bearings and matched pairs of single row tapered roller bearings. It is divided into metric and inch.
Example marking - metric bearings:
30204 A, 30205A, 30206 A, 30207 A, 30208 A, 30209 A, 30210 A, 32204 A, 32205 A, 32206 A, 32207 A,
32208 A, 32209 A, 32210 A, 32211 A, 33211/Q, 33207/Q, 30308 J2/Q, 30221 A ........

Kuželíková ložiska

  1 row                   2 double row                3 four row

 
SKF Catalogue - tapered roller bearings - pdf 

Tapered roller bearings inch dimensions
Tapered roller bearings not only meet but even exceed the requirements for quality and performance in applications in which they are exposed
to
high combined loads and tilting moments.
The design combines the logarithmic profile rollers and orbits with optimized surface roughness (topography) and the contact area between
the
roller ends and the guide flange.
These features contribute to significant reduction in noise and vibration and also reduce edge surges.
Tapered roller bearings marked with suffix "Q" demonstrably improve productivity and increase uptime while reducing maintenance and
operating
costs.

Marking
of bearings:
                                                 d mm        D mm       width        weight
1     02872/2/02820/2/Q              28.587      73.044      22.225        0.466
2     09067/09195/Q                    19.062      49.244      19.845        0.174
3     11590/11520/Q                    15.875      42.862      14.340        0.105
4     1380/1328/Q                         22.225      52.388      20.998        0.200
5     15101/15245                        25.400      62.001      20.638        0.296
6     18590/18520/Q                    41.275      73.025      17.510        0.275
7     18690/18620/Q                    46.038      79.375      18.192        0.330
8     18790/18720/Q                    50.800      85.000      18.672        0.370
9     1982 F/1924 A/QVQ519      27.500      57.175      20.165        0.217
10   1988/1922/Q                        28.575      57.150      20.165        0.218
11   24780/24720/Q 41.275      76.200      23.495        0.440
12   25577/2/25523/2/Q             42.887      82.953      26.988        0.608
13   25580/25520/Q                    44.45        82.93        23.81          0.57
14   25590/2/25520/2/Q             45.630      82.953      26.988        0.572
15   25590/2/25523/2/Q             45.630      82.953      26.988        0.572
16   25590/25520/Q                    45.62        82.93        23.81          0.55
17   25877/2/25821/2/Q             34.937      73.044      23.812        0.458
18   2788/2720/QCL7C              38.10        76.20        23.81          0.50
19   29685/2/29620/3/Q             73.03        112.71      25.40          0.89
20   31594/2/31520/2                 34.937      76.219      29.370        0.632
21   33287/33462/Q                    73.025      117.475     31.122        1.165
22   344/332/Q                             40.000      80.000      22.450        0.461
23   3585/3525/Q                        41.287      87.334      30.162        0.853
24   368 A/362 A/Q 50.800        88.900      22.280        0.498
25   3780/3720/Q                        50.800      93.264      30.512        0.880
26   387 A/382 A/Q                      57.163      96.860      23.090        0.589
27   387/382 A/Q                         57.163      96.860      23.090        0.587
28   39580/39520/Q                   57.15        112.71      30.16          1.45
29   39580/W/2/39520/2/Q        57.150      112.712     32.122        1.380
30   39581/39520/Q                   57.150      112.712     32.122        1.380
31   39590/39520/Q                   66.675      112.712     32.162        1.160
32   3982/3920/2/Q                    63.513       112.734     30.162        1.250
33   3984/2/3920/2/Q                 66.688    112.734     30.162        1.150
34   399 A/394 A/QVB079          68.275      110.022     23.380        0.740
35   418/414/Q                             38.100      88.500      29.130        0.845
36   42687/42620                        76.213      127.022     30.162        1.583
37   4580/2/4535/2/Q                  50.800      104.775     40.210        1.645
38   462/453 X/VB535                 57.163      104.797     30.162        1.028
39   47487/47420 A/Q                69.850      120.000     34.635        1.492
40   47487/47420 X                    69.863      120.000     32.545        1.500
41   482/472/Q                             69.863      120.022     29.795        1.331
42   53178/53377/Q                   44.450      95.250      30.958        0.943
43   537/532 X/Q                         50.800      107.950     37.212        1.510
44   566/563/Q                            69.863      127.022     36.512        1.970
45   575/572/Q                            76.200      139.992     37.542        2.280
46   580/572/Q                            82.550      139.992     37.542        2.179
47   593/592 A/Q                         88.900      152.400     39.688        2.780
48   594 A/592 A/Q                      95.250      152.400     39.688        2.546
49   594/592 A/Q                         95.250      152.400     39.688        2.546
50   598/592 A/Q                         92.08        152.40      39.69          2.70
51   6379/K-6320/Q                    65.088      135.755     56.070        3.650
52   6386/K-6320/Q                    66.675      135.755     56.060        3.600
53   67391/67322                     133.35      196.85      46.04          4.80
54   683/672                                 95.275      168.275     42.445        3.750
55   687/672                               101.600    168.275     42.445        3.461
56   9285/9220/CL7C                 76.200      161.925     50.363        4.419
57     HM 218248/W/2A/210/2A/Q       90.000      147.000     42.280        2.516
58     HM 220149/110/Q 100.000     157.000     44.680        2.883
59     HM 801346 X/310/QCL7A          38.100      82.550      30.130        0.785
60     HM 801346/310/Q 38.100          82.550      30.130        0.785
61     HM 803146/2/110/2/QCL7C      41.275      88.900      30.632        0.878
62     HM 803149/2/110/2/QCL7C      44.450      88.900      30.632        0.850
63     HM 807046/010/QCL7C             50.800      104.775     38.063        1.497
64     HM 88542/2/510/2/QCL7C         31.750      73.025      29.370        0.618
65     HM 88649/2/610/2/QCL7C         34.925      72.233      26.880        0.485
66     HM 89446/2/410/2/QCL7C         34.93        72.23        25.40          0.50
67     HM 89449/2/410/2/QCL7C         36.513      76.200      29.370        0.638
68     HM 903249/2/210/2/Q                 44.462      95.272      30.958        1.050
69     HM 911245/W/210/QV001          60.325      130.175     36.842        2.100
70     JL 69349 A/310/Q 38.000           63.000      18.100        0.208
71     JL 69349 X/310/Q 38.000           63.000      18.100        0.202
72     JL 69349/310/Q                            38.000      63.000      18.100        0.202
73     JLM 104948 AA/910 AA/Q           50.000      82.000      23.180        0.422
74     JM 205149/110/Q                         50.000      90.000      29.530        0.748
75     JM 515649/610/Q                         80.000      130.000     36.480        1.774
76     JM 714249/210/Q                         75.000      120.000     32.410        1.313
77     JM 718149 A/110/Q                      90.000      145.000     36.750        2.158
78     L 44643/610/Q                              25.400      50.292      14.780        0.126
79     L 44649/610/Q                              26.988      50.292      14.780        0.115
80     L 45449/410/Q                              29.000      50.292      15.334        0.110
81     L 68149/110/Q                              34.988      59.131      16.820        0.164
82     L 68149/111/Q                              34.988      60.000      16.820        0.176
83     LM 102949/910/Q                        45.242      73.431      20.088        0.305
84     LM 104949/911/Q                        50.80        82.55        21.59          0.45
85     LM 11749/710/Q                          17.462      39.878      14.660        0.077
86     LM 11749/710/QVC027              17.462      39.878      14.660        0.081
87     LM 11949/910/Q                          19.050      45.237      16.690        0.121
88     LM 12749/710/Q                          21.986      45.237      16.690        0.113
89     LM 12749/711/Q                          22.000      46.000      16.690        0.119
90     LM 29748/710                              38.112      65.088      18.228        0.223
91     LM 29749 F/711/Q                       38.100      65.088      19.812        0.239
92     LM 29749/710/Q                          38.100      65.088      19.024        0.232
93     LM 29749/710/QCL7CVA607    38.100      65.088      19.024        0.232
94     LM 29749/711/Q                          38.100      65.088      19.812        0.248
95     LM 29749/711/QCL7CVA607    38.100      65.088      19.812        0.245
96     LM 29749/H/710/Q 38.100         65.088      19.024        0.242
97     LM 300849/811/Q 40.988          67.975      18.490        0.238
98     LM 48548/510/Q                          34.925      65.088      18.854        0.250
99     LM 501349/310/Q                        41.275      73.431      20.758        0.336
100   LM 501349/314/Q                        41.275      73.431      21.430        0.340
101   LM 503349 A/310/QCL7C          46.000      75.000      18.950        0.295
102   LM 503349/310/QCL7C             46.000      75.000      18.950        0.300
103   LM 603049/011/Q                        45.242      77.788      20.862        0.369
104   LM 67048/010/Q                          31.750      59.131      16.770        0.182
105   LM 806649/610/Q                        53.975      88.900      20.300        0.435
106   M 12649/610/Q                            21.430      50.005      18.288        0.168
107   M 802048/011/QCL7C               41.275      82.550      27.143        0.614
108   M 84548/2/510/2/QVQ506         25.400      57.150      20.191        0.238
109   M 86647/610/QCL7C                 28.575      64.292      21.953        0.349
110   M 86649/2/610/2/QVQ506         30.163      64.292      21.953        0.336
111   M 88048/2/010/2/QCL7C           33.338      68.262      22.695        0.385