- Loyal
- NU228
NU228 Bearing | Loyal
NU228 PDF download| NU228 interchange NTN NU228 | |
| NU228 cross reference NTN NU228 | |
| NU228 Equivalent bearing interchange guide： | |
| Price： | enquiry |
| Model Number： | NU228 |
| F | 169 mm |
| E | 221 mm |
| d | 140 mm |
| D | 250 mm |
| B | 42 mm |
| C | 42 mm |
| Fw | 169 mm |
| db min | 171 mm |
| Da max | 237 mm |
| ra max | 2.5 mm |
| rs min | 3 mm |
| da max | 166 mm |
| da min | 153 mm |
| Weight | 7,88 Kg |
| r min. | 3 mm |
| series: | NU |
| r1 min. | 3 mm |
| r1s min | 3 mm |
| r1a max | 2.5 mm |
| flanges: | (2) Outer Ring |
| Category | Roller Bearings |
| Size (mm) | 140x250x42 |
| Inventory | 0.0 |
| Width (mm) | 42 |
| bore type: | Straight |
| Nlim (oil) | 3,100 rpm |
| maximum rpm: | 3100 rpm |
| closure type: | Open |
| Nlim (grease) | 2,700 rpm |
| Product Group | B04144 |
| overall width: | 42 mm |
| fillet radius: | 2.5 mm |
| cage material: | Pressed Steel |
| bore diameter: | 140 mm |
| Bearing number | NU228 |
| Static load, C0 | 400 kN |
| finish/coating: | Uncoated |
| Dynamic load, C | 310 kN |
| number of rows: | 1 |
| ring separation: | Separable Inner Ring |
| bearing material: | Hardened Alloy Steel |
| outer ring width: | 42 mm |
| Manufacturer Name | NTN |
| Weight / Kilogram | 8.207 |
| precision rating: | ISO Class 0 |
| outside diameter: | 250 mm |
| Bore Diameter (mm) | 140 |
| Outer Diameter (mm) | 250 |
| internal clearance: | CN |
| Minimum Buy Quantity | N/A |
| static load capacity: | 400000 N |
| Radial clearance class | CN |
| Mass (without HJ ring) | 8.45 kg |
| Fatigue limit load, Cu | 39.9 kN |
| dynamic load capacity: | 310000 N |
| (Grease) Lubrication Speed | 2 700 r/min |
| manufacturer product page: | Click here |
| operating temperature range: | -40 to 120 ºC |
| Basic static load rating (C0) | 400 kN |
| Basic dynamic load rating (C) | 310 kN |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.43 Hz |
| Characteristic outer ring frequency, BPF0 | 7.37 Hz |
| Characteristic inner ring frequency, BPFI | 9.63 Hz |
| Characteristic rolling element frequency, BSF | 7.37 Hz |
UCTH207-21J-230 with Setscrew(inch)
CNSORDERNO: Normal-duty(2)
TOGN: UCTH207-21J-230
SDI: B-1/4-28UNF
SD: 1 5/16
ZK212-34 Tapered bore (with adapter) inch - ZK series
DVIS: A-1/4-28UNF
CNSORDERNO: Normal-duty(2)
SDI: ZK212-34
SD: 2 1/8
