Koyo NTN Timken K663/K653 663/653 Taper Roller Bearing
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What is K663/K653 bearing cross reference？
| Brand Name: |
koyo |
| Model Number: |
K663/K653 |
| da: |
68.263 mm |
| Da: |
140 mm |
| Ca: |
42.799 mm |
| A1: |
88.9 mm |
| A2: |
126.603 mm |
| ba: |
30.163 mm |
| H: |
169.863 mm |
| H1: |
88.9 mm |
Product Details
| da |
68.263 mm |
| Da |
140 mm |
| Ca |
42.799 mm |
| A1 |
88.9 mm |
| A2 |
126.603 mm |
| ba |
30.163 mm |
| H |
169.863 mm |
| H1 |
88.9 mm |
| H2 |
31.75 mm |
| J min. |
244.475 mm |
| J max. |
279.4 mm |
| L |
330.2 mm |
| N1 |
22.225 mm |
| R1 |
53.181 mm |
| R2 |
21.431 mm |
| RG |
3/8 NPT |
| PG |
1/8 NPT |
| h |
49.212 mm |
| Housing |
SAF 516 |
| Stabilizing ring |
2 x SR-1516 |
| Labyrinth ring |
2 x LOR 44 |
| PosiTrac Plus contact element |
2 x B10724-44 |
| End plug (suffix Y) |
EPR 8 |
| Max. speed for PosiTrac Plus seal |
2150 r/min |
| P60° |
83.2 kN |
| P90° |
49.8 kN |
| P120° |
30.2 kN |
| P150° |
26.7 kN |
| P180° |
31.6 kN |
| Pa |
6.23 kN |
| Mass pillow block |
16.4 kg |
| Cap bolt |
2 x 5/8-11 UNC |
| Cap bolt recommended tightening torque |
149.1 N·m |
| Cap bolt, SAE grade |
5 |
| Appropriate attachment bolt size G |
0.75 in |
| Initial grease fill |
175.77 g |