KOYO BEARING

KOYO tapered roller bearings HM252349NA/HM252311D

KOYO Double-row tapered roller bearings。

The TDI type bearing is made up of two single-row outer rings and one double inner ring, and is generally provided with an outer ring spacer.

The bearing with outer ring spacer is handy for mounting, as its end play has been pre-adjusted for each application.

  • The spacer is provided with an lubrication groove and several lubrication holes.
  • Used for roll neck of medium-duty rolling mills, speed reducers, etc.
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KOYO Double-row tapered roller bearings

Various part numbers in stock, welcome inquiry. Fast shipment within 2-3 working days. 

Boundary dimensions Mass (kg)
d D Bearing No. 1)
177.8 7.0000 7.0000 NA67790/67720D 14.2
7 NA87700//87112D 23.5
NA94700//94114D 33.3
187.325 7.375 H239649NA/H239612D 52.7
190.5 7.5 NA67885SW//20D 17.5
203.2 8 NA132083//132126D 30.6
8 NA93800/93127D 39.3
228.6 9 NA130902/131401D 49.4
241.3 9.5 NA170950//171451D 41.8
244.475 9.625 NA127096/127136D 36.3
254 10.0000 10.0000 HM252343NA/HM252311D 87.2
10 HM252344NA/HM252315D 93.5
NA551002/551701D 93
260.35 10.2500 10.2500 NA221026/221576D 56.7
10.25 HM252349NA/HM252311D 87.3
HM252349NA/HM252315D 93.6
304.8 12 NA291201//291751D 63.8
355.6 14 NA231400//231976D 82.2
400 46T8059NA-1 148
406.4 16 NA285160//285228D 112

WHCD Bearing Co.,Ltd is professional bearing supplier, engaged in bearing business with more than eighteen years, export to worldwide countries, as America, European, Middle-East, Southeast Asia …etc. with plenty long-term cooperation customers. WHCD Bearing company will provide professional and prompt solution for customers.Original Quality and Warranted, and Bearing experts team support customer service. Various bearing types for customer choose:  

Bearing Types:
Self-aligning ball bearing
Cylindrical roller bearing
Spherical roller bearing
Tapered roller bearing
Angular contact ball
Needle roller
Deep groove ball bearing
Axial deep groove ball
Pillow block bearing and units
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