- Loyal
- NK21/20R
NK21/20R Bearing | Loyal
NK21/20R PDF download| NK21/20R interchange NTN NK21/20R | |
| NK21/20R cross reference NTN NK21/20R | |
| NK21/20R Equivalent bearing interchange guide： | |
| Price： | enquiry |
| Model Number： | NK21/20R |
| D | 29 mm |
| k | 2.5 mm |
| C | 20 mm |
| Cr | 17.4 kN |
| Lw | 16.8 mm |
| Fw | 21 mm |
| Dw | 2.5 mm |
| C0r | 25.4 kN |
| Mass | 0.04 kg |
| rs min | 0.3 mm |
| Da max | 27 mm |
| Weight | 0,035 Kg |
| r min. | 0,3 mm |
| ras max | 0.3 mm |
| ra max. | 0,3 mm |
| Da max. | 27 mm |
| Category | Bearings |
| Size (mm) | 21x29x20 |
| Inventory | 0.0 |
| Nlim (oil) | 19,000 rpm |
| Width (mm) | 20 |
| Nlim (grease) | 13,000 rpm |
| Product Group | B04144 |
| Bearing number | NK21/20R |
| Precision class | P0 |
| Weight / Kilogram | 0.039 |
| Manufacturer Name | NTN |
| Bore Diameter (mm) | 21 |
| Outer Diameter (mm) | 29 |
| Minimum Buy Quantity | N/A |
| Radial clearance class | CN |
| (Grease) Lubrication Speed | 13000 r/min |
| Basic static load rating (C0) | 27,1 kN |
| Basic dynamic load rating (C) | 18,3 kN |
| Lubrication hole on outer ring | Oui/Yes |
| Max operating temperature, Tmax | 120 °C |
| Min operating temperature, Tmin | -20 °C |
| Characteristic cage frequency, FTF | 0.45 Hz |
| Characteristic outer ring frequency, BPF0 | 7.6 Hz |
| Characteristic inner ring frequency, BPFI | 9.4 Hz |
| Characteristic rolling element frequency, BSF | 9.29 Hz |
UCTH212-39J-300 with Setscrew(inch)
CNSORDERNO: Normal-duty(2)
TOGN: UCTH212-39J-300
SDI: B-R1/8
SD: 2 7/16
UCTH210-30J-300 with Setscrew(inch)
CNSORDERNO: Normal-duty(2)
TOGN: UCTH210-30J-300
SDI: B-1/4-28UNF
SD: 1 7/8
ZK311-32 Tapered bore (with adapter) inch - ZK series
DVIS: A-R1/8
CNSORDERNO: Heavy-duty(3)
SDI: ZK311-32
SD: 2.00000000
UCTH206-19J-150 with Setscrew(inch)
CNSORDERNO: Normal-duty(2)
TOGN: UCTH206-19J-150
SDI: B-1/4-28UNF
SD: 1 3/16
