TIMKEN 1780-1729X Tapered roller bearing
Also known as : 1780-1729X
- Inside Diameter: 25.4 mm
- Outside Diameter: 56.896 mm
- Width: 19.368 mm
- Basic dynamic load rating: 45.4 kN
- Basic static load rating: 45.3 kN
TIMKEN 1780-1729X
TIMKEN 1780-1729X details
| Series | 1700 |
|---|---|
| model | 1780-1729X |
| Cone Part Number | 1780 |
| Cup Part Number | 1729X |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| Bearing Weight |
0.200 Kg 0.50 lb |
| Dimensions | |
| d - Bore |
25.400 mm 1.0000 in |
| D - Cup Outer Diameter |
56.896 mm 2.2400 in |
| B - Cone Width |
19.837 mm 0.7810 in |
| C - Cup Width |
15.875 mm 0.6250 in |
| T - Bearing Width |
19.368 mm 0.7625 in |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius |
0.760 mm 0.03 in |
| r - Cup Backface "To Clear" Radius |
1.52 mm 0.06 in |
| da - Cone Frontface Backing Diameter |
29.97 mm 1.18 in |
| db - Cone Backface Backing Diameter |
30.48 mm 1.20 in |
| Da - Cup Frontface Backing Diameter |
51.10 mm 2.05 in |
| Db - Cup Backface Backing Diameter |
49.02 mm 1.93 in |
| Ab - Cage-Cone Frontface Clearance |
2 mm 0.08 in |
| Aa - Cage-Cone Backface Clearance |
0.3 mm 0.01 in |
| a - Effective Center Location |
-6.9 mm -0.27 in |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions) |
11800 N 2650 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions) |
45400 N 10200 lbf |
| C0 - Static Radial Rating |
45300 N 10200 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) |
6200 N 1390 lbf |
| Factors | |
| K - Factor | 1.9 |
| e - ISO Factor | 0.31 |
| Y - ISO Factor | 1.95 |
| G1 - Heat Generation Factor (Roller-Raceway) | 10.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 5.4 |
| Cg - Geometry Factor | 0.0521 |
TIMKEN 1780-1729X bearing cross reference
68450R/68709R
25.4 mmx 56.896 mmx 19.368 mm
H414245/H414210
25.4 mmx 56.896 mmx 19.368 mm
387/382A
25.4 mmx 56.896 mmx 19.368 mm
HM88630R/HM88610R
25.4 mmx 56.896 mmx 19.368 mm
02473R/02420R
25.4 mmx 56.896 mmx 19.368 mm
23100R/23256R
25.4 mmx 56.896 mmx 19.368 mm
387-384ED
25.4 mmx 56.896 mmx 19.368 mm
389-384DRB
25.4 mmx 56.896 mmx 19.368 mm
EE132083-132126D
25.4 mmx 56.896 mmx 19.368 mm
42362D - 42586
25.4 mmx 56.896 mmx 19.368 mm
L357049-L357019-B
25.4 mmx 56.896 mmx 19.368 mm
