M257149D/M257110+A NTN Cylindrical Roller Bearing
100% China Kobelco Hydraulic Final Drive Motor Supplier Authentic. M257149D/M257110+A NTN Cylindrical Roller Bearing Highest Quality. Certified Carbon steel shell w Material Supplier.
| Brand Name: |
NTN |
| Model Number: |
M257149D/M257110+A |
| Material: |
Carbon steel shell w |
| Shaft Dia., Nominal (d): |
70.0000 |
| Bearing Outside Diameter, Nominal(Do): |
75.000 |
| Bearing Bore after Mounting (di): |
70.200 / 70.080 |
| Outer Diameter (mm): |
75 |
| Bearing Length Tolerance (B tol.) - +0 / -0.40: |
+0 / 0.40 |
| OD Chamfer Length (Co): |
1.800 |
| Bearing Outside Diameter Tolerance (Do tol.): |
75.100 / 75.055 |
| PDF |
M257149D/M257110+A |
Product Details
| Material |
Carbon steel shell w |
| Shaft Dia., Nominal (d) |
70.0000 |
| Bearing Outside Diameter, Nominal(Do) |
75.000 |
| Bearing Bore after Mounting (di) |
70.200 / 70.080 |
| Outer Diameter (mm) |
75 |
| Bearing Length Tolerance (B tol.) - +0 / -0.40 |
+0 / 0.40 |
| OD Chamfer Length (Co) |
1.800 |
| Bearing Outside Diameter Tolerance (Do tol.) |
75.100 / 75.055 |
| Lube Hole Dia. (dl) |
8.000 |
| Shaft Size (ds) - 70 +0 / -0.046 |
70 +0 / 0.046 |
| Average Clearance (Cd) |
0.1630 |
| Bearing Length, Nominal (B) |
50.000 |
| Wall Thickness (S3) |
2.438 |
| Bearing number |
AST20 7050 |
| ID Chamfer Length (Ci) |
0.800 |
| Bore Diameter (mm) |
70 |
| ID Chamfer Angle (B deg.) |
45 |
| Housing Bore Dia. (Dh) - 75 +0.030 / -0 |
75 +0.030 / 0 |
| Bearing Type |
straight |