TIMKEN 620-612-B Tapered roller bearing
Also known as : 620-612-B
- Inside Diameter: 39.688 mm
- Outside Diameter: 120.65 mm
- Width: 16.667 mm
- Basic dynamic load rating: 207 kN
- Basic static load rating: 244 kN
TIMKEN 620-612-B
TIMKEN 620-612-B details
| Series | 615 |
|---|---|
| model | 620-612-B |
| Cone Part Number | 620 |
| Cup Part Number | 612-B |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| Bearing Weight |
2.600 Kg 5.700 lb |
| Dimensions | |
| d - Bore |
39.688 mm 1.5625 in |
| D - Cup Outer Diameter |
120.650 mm 4.7500 in |
| D1 - Flange Outer Diameter |
127.691 mm 5.0272 in |
| B - Cone Width |
41.275 mm 1.6250 in |
| C - Cup Width |
31.750 mm 1.2500 in |
| C1 - Cup Flange Width |
7.142 mm 0.2812 in |
| T - Bearing Width to Flange |
16.667 mm 0.6562 in |
| T1 - Bearing Width |
41.275 mm 1.6250 in |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius |
0.800 mm 0.03 in |
| r - Cup Backface "To Clear" Radius |
3.30 mm 0.130 in |
| da - Cone Frontface Backing Diameter |
52.10 mm 2.05 in |
| db - Cone Backface Backing Diameter |
53.10 mm 2.09 in |
| Da - Cup Frontface Backing Diameter |
110.49 mm 4.35 in |
| Ab - Cage-Cone Frontface Clearance |
2.8 mm 0.11 in |
| Aa - Cage-Cone Backface Clearance |
3.3 mm 0.13 in |
| a - Effective Center Location |
-14 mm -0.55 in |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions) |
53800 N 12100 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions) |
207000 N 46600 lbf |
| C0 - Static Radial Rating |
244000 N 54800 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) |
28900 N 6510 lbf |
| Factors | |
| K - Factor | 1.86 |
| e - ISO Factor | 0.31 |
| Y - ISO Factor | 1.91 |
| G1 - Heat Generation Factor (Roller-Raceway) | 75.9 |
| G2 - Heat Generation Factor (Rib-Roller End) | 16.2 |
| Cg - Geometry Factor | 0.0694 |
TIMKEN 620-612-B bearing cross reference
68450R/68709R
39.688 mmx 120.65 mmx 16.667 mm
H414245/H414210
39.688 mmx 120.65 mmx 16.667 mm
387/382A
39.688 mmx 120.65 mmx 16.667 mm
HM88630R/HM88610R
39.688 mmx 120.65 mmx 16.667 mm
02473R/02420R
39.688 mmx 120.65 mmx 16.667 mm
23100R/23256R
39.688 mmx 120.65 mmx 16.667 mm
387-384ED
39.688 mmx 120.65 mmx 16.667 mm
389-384DRB
39.688 mmx 120.65 mmx 16.667 mm
EE132083-132126D
39.688 mmx 120.65 mmx 16.667 mm
42362D - 42586
39.688 mmx 120.65 mmx 16.667 mm
L357049-L357019-B
39.688 mmx 120.65 mmx 16.667 mm
