NTN 8Q-K21X25X13 Needle Roller And Cage Assemblies
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| Brand Name: |
NTN |
| Model Number: |
8Q-K21X25X13 |
| Series: |
LM451300 |
| Cone Part Number: |
LM451345 |
| Cup Part Number: |
LM451310 |
| Design Units: |
Imperial |
| Bearing Weight: |
15.500 Kg |
| Cage Type: |
Stamped Steel |
| d: |
263.525 mm |
| D: |
355.6 mm |
| PDF |
8Q-K21X25X13 |
Product Details
| Series |
LM451300 |
| Cone Part Number |
LM451345 |
| Cup Part Number |
LM451310 |
| Design Units |
Imperial |
| Bearing Weight |
15.500 Kg |
| Cage Type |
Stamped Steel |
| d |
263.525 mm |
| D |
355.6 mm |
| B - Cone Width |
57.150 mm |
| C - Cup Width |
44.450 mm |
| B |
57.150 mm |
| R - Cone Backface To Clear Radius1 |
3.560 mm |
| r - Cup Backface To Clear Radius2 |
3.30 mm |
| da - Cone Frontface Backing Diameter |
278.89 mm |
| db - Cone Backface Backing Diameter |
282.96 mm |
| Da - Cup Frontface Backing Diameter |
343.41 mm |
| Db - Cup Backface Backing Diameter |
335.03 mm |
| Ab - Cage-Cone Frontface Clearance |
4.6 mm |
| Aa - Cage-Cone Backface Clearance |
4.8 mm |
| a - Effective Center Location3 |
5.1 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
40900 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
158000 lbf |
| C0 - Static Radial Rating |
339000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
25200 lbf |
| K - Factor7 |
1.62 |
| e - ISO Factor8 |
0.36 |
| Y - ISO Factor9 |
1.67 |
| G1 - Heat Generation Factor (Roller-Raceway) |
1550 |
| G2 - Heat Generation Factor (Rib-Roller End) |
212 |
| Cg - Geometry Factor |
0.154 |
Company Profile
| Phone |
+62 21 2940 9999 |
| Fax |
+62 21 2940 9999 |