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Design Variants
Cage
Tolerance
Internal clearance

Four row taper bearings normally features two single raceway outer rings, a double raceway outer rings and two double raceway inner rings,

and two outer spacers and on inner spacer. These bearings can accommodate big radial toads, but the speed ratings are very low. This type bearing is mainly used in heavy-duty machines.


  • Four row taper bearings normally features two single raceway outer rings, a double raceway outer rings and two double raceway inner rings,

    and two outer spacers and on inner spacer. These bearings can accommodate big radial toads, but the speed ratings are very low. This type bearing is mainly used in heavy-duty machines.


  • DHK four row taper roller bearings are produced with pressed steel cages as standard. For some bigger size bearings, also can be fitted with pin-type steel cages.

  • For detailed of the tolerance and internal clearance of four row taper roller bearings, please contact to technical department of DHK or specified clear during place an order.

  • For detailed of the tolerance and internal clearance of four row taper roller bearings, please contact to technical department of DHK or specified clear during place an order.



Dimensions and Parameters
InquiryDesignationBoundary dimension[mm] Mass(kg)AFBMADesignLoad ratings[kN]Calculation factors
dDTBr1,r2 Minr3,r4 MinDyn CrStat CoreY1Y2Y0K
330862B 244.475
9.6250
327.025 193.675 193.675 1.5 3.3 46 LM247748D/LM247710/LM247710D 11 1720 4200 0.33 2 3 2 1.82
244.475
9.6250
12.875 7.625 7.625 0.059 0.13
331398 245
9.6457
380 254 255.5 1.5 4 105 -- 11 2510 5520 0.44 1.5 2.3 1.4 1.32
245
9.6457
14.9606 10 10.0591 0.059 0.157
331275 254
10.0000
358.775 269.875 269.875 1.5 3.3 88 M249749D/M249710/M249710D 11 2700 6900 0.33 2 3 2 176
254
10.0000
14.125 10.625 10.625 0.059 0.13
330822B 266.700
10.5000
355.6 228.6 230.188 1.6 3.2 65.5 -- 11 1940 5340 0.37 1.8 2.7 1.8 1.59
266.700
10.5000
14 9 9.0625 0.063 0.125
331168A 269.875
10.6250
381 282.575 282.575 3.3 3.3 105 M252349D/M252310/M252310D 11 2860 7360 0.33 2 3 2 1.76
269.875
10.6250
15 11.125 11.125 0.13 0.13
331288 276.225
10.8750
393.7 269.875 269.875 1.5 6.4 100 EE275109D/275115/275156D 11 2810 6350 0.4 1.7 2.5 1.6 1.45
276.225
10.8750
15.5 10.625 10.625 0.059 0.25
330540A 279.578
11.0070
380.898 244.475 244.475 1.6 3.2 86 LM654644D/LM654610/LM654610D 11 2120 5980 0.43 1.6 2.3 1.6 1.35
279.578
11.0070
14.996 9.625 9.625 0.063 0.125
330337A 285.750
11.2500
380.898 244.475 244.475 1.6 3.2 81 LM654648D/LM654610/LM654610D 11 2120 5980 0.43 1.6 2.3 1.6 1.35
285.750
11.2500
14.996 9.625 9.625 0.063 0.125
6410881) 288.925
11.3750
406.4 296.275 330.2 6.4 1.5 130 -- 31 3410 8740 0.33 2 3 2 1.73
288.925
11.3750
16 11.625 13 0.25 0.059
331452 288.925
11.3750
406.4 298.45 298.45 3.3 3.3 125 M255449D/M254110/M255410D 31 3410 8740 0.33 2 3 2 1.73
288.925
11.3750
16 12.75 11.75 0.13 0.13
331968 292.100
11.5000
422.275 269.875 269.875 6.4 3.3 125 EE330116D/330166/330167D 11 3300 7820 0.31 2.2 3.3 2.2 1.87
292.100
11.5000
16.625 10.625 10.625 0.25 0.13
BT4B332472 300
11.8110
460 388.5 388.5 5 5 240 -- 21 4550 12300 0.33 2 3 2 1.82
300
11.8110
18.1102 15.2953 15.2955 0.197 0.197
331287 300.038
11.8125
422.275 311.15 311.15 3.2 3.2 140 HM256849D/HM256810/HM256810D 21 3520 9200 0.33 2 3 2 1.73
300.038
11.8125
46.625 12.25 12.25 0.125 0.125
331492 304.648
11.9940
438.048 279.4 280.99 3.3 4.8 135 M757449D/M757410/M757410D 21 2920 7820 0.48 1.4 2.1 1.4 1.24
304.648
11.9940
17.246 11 11.0626 0.13 0.19
331687 304.800
12.0000
419.1 269.875 269.875 1.5 6.4 110 M257149D/M257110/M257110D 11 3140 7910 0.33 2 3 2 1.76
304.800
12.0000
16.5 10.625 10.625 0.059 0.25

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