TIMKEN 4A-7 Tapered roller bearing
Also known as : 4A-7
- Inside Diameter: 19.05 mm
- Outside Diameter: 49.154 mm
- Width: 18.26 mm
- Basic dynamic load rating: 20.3 kN
- Basic static load rating: 20.6 kN
TIMKEN 4A-7
TIMKEN 4A-7 details
| Series | 5C |
|---|---|
| model | 4A-7 |
| Cone Part Number | 4A |
| Cup Part Number | 7 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| Bearing Weight |
0.200 Kg 0.4 lb |
| Dimensions | |
| d - Bore |
19.050 mm 0.7500 in |
| D - Cup Outer Diameter |
49.154 mm 1.9352 in |
| B - Cone Width |
11.908 mm 0.4688 in |
| C - Cup Width |
15.088 mm 0.5940 in |
| T - Bearing Width |
18.260 mm 0.7189 in |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius |
1.520 mm 0.06 in |
| r - Cup Backface "To Clear" Radius |
0.38 mm 0.020 in |
| da - Cone Frontface Backing Diameter |
23.62 mm 0.93 in |
| db - Cone Backface Backing Diameter |
25.40 mm 1.00 in |
| Da - Cup Frontface Backing Diameter |
42.93 mm 1.69 in |
| Db - Cup Backface Backing Diameter |
38.61 mm 1.52 in |
| Ab - Cage-Cone Frontface Clearance |
2.3 mm 0.09 in |
| Aa - Cage-Cone Backface Clearance |
0.3 mm 0.01 in |
| a - Effective Center Location |
-1.8 mm -0.07 in |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions) |
5250 N 1180 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions) |
20300 N 4550 lbf |
| C0 - Static Radial Rating |
20600 N 4640 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) |
4310 N 969 lbf |
| Factors | |
| K - Factor | 1.22 |
| e - ISO Factor | 0.48 |
| Y - ISO Factor | 1.25 |
| G1 - Heat Generation Factor (Roller-Raceway) | 4.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 2.6 |
| Cg - Geometry Factor | 0.0456 |
TIMKEN 4A-7 bearing cross reference
68450R/68709R
19.05 mmx 49.154 mmx 18.26 mm
H414245/H414210
19.05 mmx 49.154 mmx 18.26 mm
387/382A
19.05 mmx 49.154 mmx 18.26 mm
HM88630R/HM88610R
19.05 mmx 49.154 mmx 18.26 mm
02473R/02420R
19.05 mmx 49.154 mmx 18.26 mm
23100R/23256R
19.05 mmx 49.154 mmx 18.26 mm
387-384ED
19.05 mmx 49.154 mmx 18.26 mm
389-384DRB
19.05 mmx 49.154 mmx 18.26 mm
EE132083-132126D
19.05 mmx 49.154 mmx 18.26 mm
42362D - 42586
19.05 mmx 49.154 mmx 18.26 mm
L357049-L357019-B
19.05 mmx 49.154 mmx 18.26 mm
