Timken 42381/42587D Double Row Tapered Roller Bearings

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Timken 42381/42587D Double Row Tapered Roller Bearings

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Description
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The Brief Description of Timken 42381/42587D Bearings: 

Timken double row taper roller bearing 42381/42587D are generally used to support combined load mainly consisting of radial load. Their cups are separable for easy assembling. During mounting and using, radial clearance and axial clearance can be adjusted and preloaded mounting can be made.
 

Double Row Taper roller bearing 42381/42587D are designed to carry both thrust and radial loads and consist of four components: the cone, or inner ring; the cup, or outer ring; the tapered rollers, or rolling elements; and the cage, or roller retainer. The capacity of axial load carrying depends on the contact angle of outer ring’s raceway. The bigger the contact angle is, the greater the capacity will be.

 

Model

d

(mm)

D

(mm)

T

(mm)

Mass

(Kg)

42381/42587D 96.838 149.225 66.672 3.91

Tapered Roller Bearing Dimensions:

Metric Bearings

The boundary dimensions of metric single row tapered roller bearings listed in the product tables conform to ISO 355-1977 except for those bearings having a J in the designation prefix. These conform to the ANSI/ABMA Standard 19.1-1987.

Inch bearings

The boundary dimensions of inch bearings conform to AFBMA Standard 19-1974 (ANSI B3.19-1975). ANSI/ABMA Standard 19.2-1994 has subsequently replaced this standard, but this later standard no longer includes dimensions.

Adjustment and running-in

When adjusting tapered roller bearings against each other, the bearings must be rotated, so that the rollers assume their correct position, i.e. the large end face of the rollers must be in contact with the guide flange.

Conventional tapered roller bearings normally have a relatively high friction torque during the first hours of operation, which drops to a lower level after the running-in period. During this running-in period, bearing temperature increases rapidly because of the high initial friction and falls off to an equilibrium level as the running-in phase is completed.

Misalignment

The ability of a conventional single row tapered roller bearing to accommodate angular misalignment of the inner ring with respect to the outer ring is limited to a few minutes of arc. our bearings have the logarithmic contact profile and can tolerate misalignments of approximately 2 to 4 minutes of arc.

These guideline values apply provided the position of the shaft and housing axes are constant. Larger misalignment is possible, depending on the load and requisite service life. For additional information, please contact our

application engineering service.

Cages

Single row tapered roller bearings are fitted with one of the following cages

a pressed window-type steel cage, roller centred, no designation suffix or suffix J1, J2 or J3 

 

an injection moulded window-type cage of glass fibre reinforced polyamide 66, roller centred, designation suffix TN9  a steel pin-type cage .


Double row tapered roller bearing Parameter:

PartNumber Bearingdimensions Weight BearingNumber
Inner Outer Bore O.D Width Outerringwidth kg
d D T C
mm mm mm mm
67388 67322D 127 196.85 101.6 85.725 10.71 67388/67322D
67388 67325D 127 200.025 101.6 85.725 11.36 67388/67325D
798 792CD 127 206.375 107.95 82.55 12.49 798/792CD
74500 74851CD 127 215.9 106.362 80.962 14.81 74500/74851CD
HM926747 HM926710CD 127 228.6 115.888 84.138 18.24 HM926747/HM926710CD
95500 95927CD 127 234.95 142.875 114.3 25.35 95500/95927CD
799 792CD 128.588 206.375 107.95 82.55 12.43 799/792CD
797 792CD 130 206.375 107.95 82.55 12.12 797/792CD
67389 67322D 130.175 196.85 101.6 85.725 10.15 67389/67322D
67389 67325D 130.175 200.025 101.6 85.725 10.8 67389/67325D
799A 792CD 130.175 206.375 107.95 82.55 12.16 799A/792CD
L327249 L327210D 133.35 177.008 57.15 47.625 3.67 L327249/L327210D
48385 48320D 133.35 190.5 85.725 73.025 7.42 48385/48320D
67390 67322D 133.35 196.85 101.6 85.725 9.64 67390/67322D
67391 67322D 133.35 196.85 101.6 85.725 9.58 67391/67322D
67390 67325D 133.35 200.025 101.6 85.725 10.29 67390/67325D
74525 74851CD 133.35 215.9 106.362 80.962 13.84 74525/74851CD
95525 95927CD 133.35 234.95 142.875 114.3 23.65 95525/95927CD
95528 95927CD 133.35 234.95 142.875 114.3 23.89 95528/95927CD
48393 48320D 136.525 190.5 85.725 73.025 6.99 48393/48320D
74537 74851CD 136.525 215.9 106.362 80.962 13.21 74537/74851CD
896 892CD 136.525 228.6 123.825 98.425 18.81 896/892CD
99537 99102CD 136.525 254 149.225 111.125 30.76 99537/99102CD
74550 74851CD 139.7 215.9 106.362 80.962 12.73 74550/74851CD
74550A 74851CD 139.7 215.9 106.362 80.962 12.71 74550A/74851CD
73551 73876CD 139.7 222.25 75.692 53.975 9.36 73551/73876CD
898 892CD 139.7 228.6 123.825 98.425 18.09 898/892CD
898A 892CD 139.7 228.6 123.825 98.425 17.99 898A/892CD
HM231132 HM231111CD 139.7 236.538 131.762 106.362 21.68 HM231132/HM231111CD
82550 82951CD 139.7 241.3 131.762 106.362 23.09 82550/82951CD
99550 99102CD 139.7 254 149.225 111.125 30.15 99550/99102CD
HH234031 HH234011CD 139.7 307.975 200.025 155.575 65.9 HH234031/HH234011CD
HH234032 HH234011CD 139.7 307.975 200.025 155.575 66.18 HH234032/HH234011CD
48685 48620D 142.875 200.025 87.315 73.025 8.02 48685/48620D
 

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