R144ZZ Inch Miniature Deep Groove Ball Bearings
Model: R144ZZ
Bore Diameter: 3.175mm
Outer Diameter: 6.350mm
Width: 2.779mm
Series: R1 Series Inch Deep Groove Ball Bearing
Brand: Mingwei
Email: lili@alibearing.com
*Please note that our bearings don't have minimum order quantity.
Basic Parameters
| Series |
R1 Series Inch Deep Groove Ball Bearings |
| Type |
R144ZZ Deep Groove Ball Bearing |
| Bore Diameter(mm) |
3.175 |
| Outer Diameter(mm) |
6.350 |
| Width(mm) |
OPEN |
2.380 |
| ZZ |
2.779 |
| Grease Rate |
25%~30% |
| * This sheet is for reference only. Please consult with Mingwei Bearing when selecting. |
Technical Parameter
| Sealing Way |
ZZ,OPEN,RS |
| Bearing Material |
Stainless Steel, Bearing Steel, Carbon Steel |
| Radial Play(mm) |
Minimum(mm) |
0.005 |
| Maximum(mm) |
0.013 |
| Material |
Inner circle |
Gcr15 |
Testing standards |
GB-T 305-1998 |
| Outer circle |
Gcr15 |
GB-T 305-1998 |
| Steel ball |
Gcr15 |
GB-T 305-1998 |
| Dust cover(ZZ) |
SPCC/SUS |
GB-T 305-1998 |
| Retainer(R) |
SUS/MN |
/ |
| Grease |
LY series |
JB-T 8571-1997 |
| High temperature resistance(℃) |
-50~150 |
JB-T 8571-1997 |
| Basic dynamic load rating Cr(N) |
283 |
| Basic static load rating Cor(N) |
95 |
| Max.Speed |
Grease |
*1000rpm |
67 |
| Oil |
80 |
| * This sheet is for reference only. Please consult with Mingwei Bearing when selecting. |
