KOYO tapered roller bearings EE531201D/300/301XD

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

d                          D                         T                         W                   r              r1 2)

mm        1/25.4        mm       1/25.4         mm       1/25.4         mm       1/25.4        min.           min.

 

Bearing No. 1)

(Refer.)

Mass

(kg)

 
508.000 20.0000 762.000 30.0000 463.550 18.2500 463.550 18.2500 6.4 6.4 11 400 EE531201D/300/301XD 736
509.948 20.0767 654.924 25.7844 379.000 14.9213 377.000 14.8425 6.4 1.6 7 260 4TR510A 315
510

655

730

 

379

520

 

377

520

5

5

2.5

6

8 190

13 100

4TR510L

4TR510Q

320

728

514.350 20.2500 20.2500 673.100 673.100 26.5000

26.5000

422.275 422.275 16.6250

16.6250

422.275 422.275 16.6250

16.6250

6.4

6.4

3.2

3.2

9 000

8 930

4TR514A

LM274449D/410/410D

392

399

519.113 20.4375 736.600 29.0000 536.575 21.1250 536.575 21.1250 6.4 3.2 13 300 M275349D/310/310D 743
520 735   535   535 5 2.5 13 300 4TR520 726
520.700 20.5000 711.200 28.0000 400.050 15.7500 400.050 15.7500 6.4 3.2 8 750 LM275349D/10/10D 438
530

 

730

730

750

750

 

 

 

540

540

480

480

 

 

 

535

535

480

480

 

5

4

6

5

SP

SP

6

2

12 700

11 800

12 400

12 100

4TR530-1

4TR530-2

4TR530B

4TR530C

686

669

680

673

535

750

760

 

560

560

 

560

560

5

6

6

6

13 900

14 100

4TR535

372/535

761

815

536.575 21.1250 761.873 29.9950 558.800 22.0000 558.800 22.0000 6.4 3.2 14 100 M276449D/410/410D 820
540

 

690

760

 

 

400

560

 

 

400

560

 

5

5

2.5

6

8 420

14 200

4TR540

4TR540A

369

808

550 685   350   350 4 1.5 6 630 4TR550C 287
555.625 21.8750 698.500 27.5000 349.250 13.7500 349.250 13.7500 6.4 3.2 7 160 4TR555 312
558.750 21.9980 965.300 38.0039 495.300 19.5000 495.300 19.5000 7.5 7.5 15 700 4TR559B 1 570

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
LM/Linear Guide
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