TIMKEN 615-612-B Tapered roller bearing
Also known as : 615-612-B
- Inside Diameter: 44.45 mm
- Outside Diameter: 120.65 mm
- Width: 16.574 mm
- Basic dynamic load rating: 207 kN
- Basic static load rating: 244 kN

TIMKEN 615-612-B
TIMKEN 615-612-B details
| Series | 615 |
|---|---|
| model | 615-612-B |
| Cone Part Number | 615 |
| Cup Part Number | 612-B |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| Bearing Weight |
2.500 Kg 5.50 lb |
| Dimensions | |
| d - Bore |
44.450 mm 1.7500 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 |
16.574 mm 0.6525 in |
| T1 - Bearing Width |
41.181 mm 1.6213 in |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius |
3.600 mm 0.14 in |
| r - Cup Backface "To Clear" Radius |
3.30 mm 0.130 in |
| da - Cone Frontface Backing Diameter |
55.90 mm 2.2 in |
| db - Cone Backface Backing Diameter |
62 mm 2.44 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 615-612-B bearing cross reference

68450R/68709R
44.45 mmx 120.65 mmx 16.574 mm

H414245/H414210
44.45 mmx 120.65 mmx 16.574 mm

387/382A
44.45 mmx 120.65 mmx 16.574 mm

HM88630R/HM88610R
44.45 mmx 120.65 mmx 16.574 mm

02473R/02420R
44.45 mmx 120.65 mmx 16.574 mm

23100R/23256R
44.45 mmx 120.65 mmx 16.574 mm

387-384ED
44.45 mmx 120.65 mmx 16.574 mm

389-384DRB
44.45 mmx 120.65 mmx 16.574 mm

EE132083-132126D
44.45 mmx 120.65 mmx 16.574 mm

42362D - 42586
44.45 mmx 120.65 mmx 16.574 mm

L357049-L357019-B
44.45 mmx 120.65 mmx 16.574 mm



