25 mm x 38 mm x 20 mm KOYO NKJ25/20 needle roller bearings
| Brand Name: | KOYO |
| Model Number: | NKJ25/20 |
| Bearing number: | 6801DD |
| Size (mm): | 12x21x5 |
| Bore Diameter (mm): | 12 |
| Outer Diameter (mm): | 21 |
| Width (mm): | 5 |
| d: | 12 mm |
| D: | 21 mm |
| B: | 5 mm |
| PDF |
NKJ25/20 |
Product Details
| Bearing number | 6801DD |
| Size (mm) | 12x21x5 |
| Bore Diameter (mm) | 12 |
| Outer Diameter (mm) | 21 |
| Width (mm) | 5 |
| d | 12 mm |
| D | 21 mm |
| B | 5 mm |
| C | 5 mm |
| r min. | 0,3 mm |
| da min. | 14 mm |
| da max | 14 mm |
| Da max. | 19 mm |
| ra max. | 0,3 mm |
| Weight | 0,006 Kg |
| Basic dynamic load rating (C) | 1,92 kN |
| Basic static load rating (C0) | 1,04 kN |
| (Grease) Lubrication Speed | 20 000 r/min |
| Category | Single Row Ball Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.006 |
| Product Group | B00308 |
| Enclosure | 2 Seals |
| Precision Class | ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot | No |
| Rolling Element | Ball Bearing |
| Snap Ring | No |
| Internal Special Features | No |
| Cage Material | Steel |
| Enclosure Type | Contact Seal |
| Internal Clearance | C0-Medium |
| Inch - Metric | Metric |
| Long Description | 12MM Bore; 21MM Outside Diameter; 5MM Outer Race Width; 2 Seals; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; No Internal Special Features; C0-Medium Internal Clearance; Steel Cage; C |
| Other Features | Deep Groove |
| UNSPSC | 31171504 |
| Harmonized Tariff Code | 8482.10.50.68 |
| Noun | Bearing |
| Keyword String | Ball |
| Manufacturer Item Number | 6801DD |
| Weight / LBS | 0.01257 |
| Outside Diameter | 0.827 Inch | 21 Millimeter |
| Inner Race Width | 0 Inch | 0 Millimeter |
| Outer Race Width | 0.197 Inch | 5 Millimeter |
| Bore | 0.472 Inch | 12 Millimeter |
| SRI | 1.23 |
| hidYobi | 6801DD |
| LangID | 1 |
| D_ | 21 |
| SREX | 0.01 |
| B_ | 5 |
| da min | 14 |
| hidTable | ecat_NSRDGB |
| SRE | 1.23 |
| mass | 0.006 |
| GRS rpm | 20000 |
| ra | 0.3 |
| SRIX | 0.01 |
| D_a | 19 |
| SRIN | -0.01 |
| C0 | 1.04 |
| fo | 15.3 |
| SREN | -0.01 |
| DE_ | 18.881 |
| Prod_Type3 | DGBB_SR_DD |
| DA_ | 2.381 |
| Z_ | 12 |
| yobi | 6801DD |
| C_conv | 1920 |
| SDM_ | 16.5 |
| r | 0.3 |
| KBRG | 6191 |
| SBRG | 18 |
| DI_ | 14.119 |
