- Loyal
- 688
688 Bearing | Loyal
688 PDF download| 688 interchange KOYO 688 | |
| 688 cross reference KOYO 688 | |
| 688 Equivalent bearing interchange guide： | |
| Price： | enquiry |
| Model Number： | 688 |
| D | 16 mm |
| d | 8 mm |
| B | 4 mm |
| C | 4 mm |
| Cu | 0.020 |
| f0 | 14.0 |
| Cr | 1.55 |
| C0r | 0.59 |
| r(min) | 0.2 |
| r min. | 0,2 mm |
| Weight | 0,0032 Kg |
| da(min) | 9.6 |
| Da max. | 14,4 mm |
| ra max. | 0,2 mm |
| da min. | 9,6 mm |
| r1 min. | 0,2 mm |
| Da(max) | 14.4 |
| ra(max) | 0.2 |
| Oil lub. | 50000 |
| Size (mm) | 8x16x4 |
| Width (mm) | 4 |
| Grease lub. | 42000 |
| Bearing No. | 688 |
| Bearing number | 688 |
| (Refer.)Mass(g) | 3.2 |
| Bore Diameter (mm) | 8 |
| Outer Diameter (mm) | 16 |
| (Oil) Lubrication Speed | 50000 r/min |
| (Grease) Lubrication Speed | 42000 r/min |
| Basic static load rating (C0) | 0,71 kN |
| Basic dynamic load rating (C) | 1,6 kN |
ZKX12-34 Tapered bore (with adapter) inch - ZK series
DVIS: A-1/4-28UNF
CNSORDERNO: Medium-duty(X)
SDI: ZKX12-34
SD: 2 1/8
UCTH212-39J-300 with Setscrew(inch)
CNSORDERNO: Normal-duty(2)
TOGN: UCTH212-39J-300
SDI: B-R1/8
SD: 2 7/16
UCTH209-28J-300 with Setscrew(inch)
CNSORDERNO: Normal-duty(2)
TOGN: UCTH209-28J-300
SDI: B-1/4-28UNF
SD: 1 3/4
UCHA215-48 with Setscrew(inch)
CNSORDERNO: A-R1/8
SDI: UCHA215-48
DVIS: 3.00000000
SD: Normal-duty(2)
