TIMKEN M278749DW - M278710 Tapered roller bearing
Also known as : M278749DW - M278710
- Inside Diameter: 571.5 mm
- Outside Diameter: 812.8 mm
- Width: 285.75 mm
- Basic dynamic load rating: 7890 kN
- Basic static load rating: 2050 kN
TIMKEN M278749DW - M278710
TIMKEN M278749DW - M278710 details
| Bearing Number | M278749DW - M278710 |
|---|---|
| Brand | TIMKEN |
| Type | Tapered Roller Bearings - TDI (Tapered Double Inner) |
| Series | M278700 |
| Cone Part Number | M278749DW |
| Cup Part Number | M278710 |
| Design Units | Imperial |
| Bearing Weight |
1059.70 lb 480.700 Kg |
| Cage Type | Pin-Type |
| Aa - Cage-Cone Backface Clearance |
0 in 0 mm |
| d - Bore |
22.5000 in 571.500 mm |
| D - Cup Outer Diameter |
32.0000 in 812.800 mm |
| B - Double Cone Width |
11.2500 in 285.750 mm |
| C - Cup Width |
4.7500 in 120.650 mm |
| T - Bearing Width across Cups |
11.2499 in 285.747 mm |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) |
264000 lbf 1180000 N |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) |
1770000 lbf 7890000 N |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions) |
460000 lbf 2050000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) |
150000 lbf 669000 N |
| K - Factor | 1.76 |
| e - ISO Factor | 0.7 |
| Y1 - ISO Factor | 0.97 |
| Y2 - ISO Factor | 1.44 |
| G1 - Heat Generation Factor (Roller-Raceway) | 12400 |
| G2 - Heat Generation Factor (Rib-Roller End) | 669 |
| Cg - Geometry Factor | 0.299 |
| R - Cone Frontface "To Clear" Radius |
0.130 in 3.30 mm |
| r - Cup Backface "To Clear" Radius |
0.250 in 6.40 mm |
| da - Cone Frontface Backing Diameter |
23.98 in 609.10 mm |
| Db - Cup Backface Backing Diameter |
29.76 in 755.90 mm |
| Ab - Cage-Cone Frontface Clearance |
0.34 in 8.6 mm |
TIMKEN M278749DW - M278710 bearing cross reference
68450R/68709R
571.5 mmx 812.8 mmx 285.75 mm
H414245/H414210
571.5 mmx 812.8 mmx 285.75 mm
387/382A
571.5 mmx 812.8 mmx 285.75 mm
HM88630R/HM88610R
571.5 mmx 812.8 mmx 285.75 mm
02473R/02420R
571.5 mmx 812.8 mmx 285.75 mm
23100R/23256R
571.5 mmx 812.8 mmx 285.75 mm
387-384ED
571.5 mmx 812.8 mmx 285.75 mm
389-384DRB
571.5 mmx 812.8 mmx 285.75 mm
EE132083-132126D
571.5 mmx 812.8 mmx 285.75 mm
42362D - 42586
571.5 mmx 812.8 mmx 285.75 mm
L357049-L357019-B
571.5 mmx 812.8 mmx 285.75 mm
