Product Categories
/
Roller Bearings
/
Cylindrical Roller Bearings
/
Super-Precision Cylindrical Roller Bearings
/
Super-Precision Axial-Radial Cylindrical Roller Bearings
/
NRT 120 B
NRT 120 B
$0.00
/Each
Bulk orders will be discounted, please contact our sales for a bulk quote.
We will ship your order via FedEx within 3-5 working days after you complete the payment and the related information will be sent to your email.
Searching for the best price?
Complete the inquiry form, and we'll provide you with the most suitable solution.
Request a Quote
Overview |
|
| Part Number | NRT 120 B |
Characteristics |
|
| System of Measurement | Metric |
| Roller Bearing Type | Cylindrical |
| For Load Direction | Combined |
Dimensions |
|
| Bore Dia | 120 mm |
| Bore Dia Tolerance | -0.010mm to 0 |
| Outer Dia | 210 mm |
| Outer Dia Tolerance | -0.015mm to 0 |
| Width | 40 mm |
| Shoulder Diameter Inner Ring - Large Shoulder | 184 mm |
| Chamfer Dimension r2 (min.) | 0.3 mm |
| Height Tolerance | -0.175mm to 0 |
| Distance | 26 mm |
| Outer Ring (Housing Washer) Width | 12 mm |
| Outer Ring (Housing Washer) Chamfer Dimension r1 (min.) | 0.6 mm |
| Inner Ring (Shaft/Locating Washer) Hole Pitch Circle Diameter | 135 mm |
| Outer Ring (Housing Washer) Hole Pitch Circle Diameter | 195 mm |
| Inner Ring (Shaft/Locating Washer) Through Hole | 7 mm |
| Outer Ring (Housing Washer) Through Hole | 7 mm |
| Inner Ring (Shaft Washer) Sinkhole | 11 mm |
| Inner Ring (Shaft Washer) Sinkhole Depth | 6.2 mm |
Material |
|
| Ring Material | Chrome Steel |
| Roller Material | Chrome Steel |
| Cage Material | Brass |
Performance |
|
| Basic Dynamic Load Rating - Axial Direction | 72 kN |
| Basic Dynamic Load Rating - Radial Direction | 64.4 kN |
| Basic Static Load Rating - Radial Direction | 140 kN |
| Attainable Speed For Grease Lubrication | 230 r/min |
| Attainable Speed For Oil-Air Lubrication | 460 r/min |
| Axial Preload | 2 kN |
| Axial Unloading Force | 4.4 kN |
| Axial Stiffness For Preload A (sets of two brgs back-to-back or face-to-face) | 8500000 kN/µm |
| Axial Stiffness For Preload B (sets of two brgs back-to-back or face-to-face) | 4500000 kN/µm |
| Frictional Moment | 6 N·m |
| Moment Stiffness | 23 kN·m/mrad |
| Temperature Range | -30° to 110 °C |
Properties |
|
| Lubrication | Grease, Oil |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 4.8 kg |
