needle roller thrust bearing catalog HK4518RS KOYO
needle roller thrust bearing catalog HK4518RS KOYO manufacturer and global supplier of reliable ball 28x68x18 Size (mm) and roller ... needle roller thrust bearing catalog HK4518RS KOYO Industries Products Manufacturing & Engineering and Agricultural Bearings designed to meet 28 Bore Diameter (mm) the unique 28x68x18 requirements Pioneer Machinery Source of our targeted industries.
| Bearing number: |
63/28NR |
| Size (mm): |
28x68x18 |
| Bore Diameter (mm): |
28 |
| Outer Diameter (mm): |
68 |
| Width (mm): |
18 |
| d: |
28 mm |
| D: |
68 mm |
| B: |
18 mm |
Product Details
| Bearing number |
63/28NR |
| Size (mm) |
28x68x18 |
| Bore Diameter (mm) |
28 |
| Outer Diameter (mm) |
68 |
| Width (mm) |
18 |
| d |
28 mm |
| D |
68 mm |
| B |
18 mm |
| C |
18 mm |
| rn |
0,5 mm |
| a |
3,28 mm |
| b |
1,9 mm |
| f |
1,7 mm |
| r min. |
1,1 mm |
| r0 max. |
0,6 mm |
| D1 |
64,82 mm |
| D2 |
74,6 mm |
| da min. |
34,5 mm |
| da max |
38,5 mm |
| Da max. |
61,5 mm |
| ra max. |
1 mm |
| Dx |
76 mm |
| Cy |
4,6 mm |
| Cz |
1,7 mm |
| Weight |
0,284 Kg |
| Basic dynamic load rating (C) |
26,7 kN |
| Basic static load rating (C0) |
14 kN |
| (Grease) Lubrication Speed |
11 000 r/min |
| (Oil) Lubrication Speed |
13 000 r/min |
| a min |
3.07 mm |
| a max |
3.28 mm |
| Ca min |
4.77 mm |
| Ca max |
4.98 mm |
| rs min |
1.1 mm |
| rNs min |
0.5 mm |
| D3 max |
64.82 mm |
| b min |
1.9 mm |
| b max |
2.2 mm |
| r0 max |
0.6 mm |
| D4 max |
74.6 mm |
| Snap ring reference |
R68 |
| Radial clearance class |
CN |
| Mass |
0.28 kg |
| Dynamic load, C |
26.7 kN |
| Static load, C0 |
14 kN |
| Fatigue limit load, Cu |
0.64 kN |
| f0 |
12.4 |
| Nlim (oil) |
13,000 rpm |
| Nlim (grease) |
11,000 rpm |
| Min operating temperature, Tmin |
-20 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.37 Hz |
| Characteristic rolling element frequency, BSF |
3.52 Hz |
| Characteristic outer ring frequency, BPF0 |
2.57 Hz |
| Characteristic inner ring frequency, BPFI |
4.43 Hz |
| da min |
34.5 mm |
| Da max |
61.5 mm |
| ra max |
1 mm |
| rNa max |
0.5 mm |
| Db min |
76 mm |
| Category |
Single Row Ball Bearing |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
0.291 |
| Product Group |
B00308 |
| Enclosure |
Open |
| Precision Class |
ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot |
No |
| Rolling Element |
Ball Bearing |
| Snap Ring |
Yes |
| Internal Special Features |
No |
| Cage Material |
Steel |
| Internal Clearance |
C0-Medium |
| Inch - Metric |
Metric |
| Long Description |
28MM Bore; 68MM Outside Diameter; 18MM Outer Race Diameter; Open; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; Yes Snap Ring; No Internal Special Features |
| UNSPSC |
31171504 |
| Harmonized Tariff Code |
8482.10.50.68 |
| Noun |
Bearing |
| Keyword String |
Ball |
| Manufacturer Item Number |
63/28NR |
| Weight / LBS |
0.633 |
| Outside Diameter |
2.677 Inch | 68 Millimeter |
| Outer Race Width |
0.709 Inch | 18 Millimeter |
| Bore |
1.102 Inch | 28 Millimeter |
| bore diameter: |
28 mm |
| finish/coating: |
Uncoated |
| outside diameter: |
68 mm |
| bearing material: |
High Carbon Chrome Steel |
| overall width: |
18 mm |
| cage material: |
Steel |
| bore type: |
Round |
| inner ring width: |
18 mm |
| closure type: |
Open |
| outer ring width: |
18 mm |
| row type & fill slot: |
Single Row Non-Fill Slot |
| maximum rpm (grease): |
11000 rpm |
| snap ring included: |
With Snap Ring |
| maximum rpm (oil): |
13000 rpm |
| internal clearance: |
CN |
| fillet radius: |
1.1 mm |
| operating temperature range: |
-40 to 120 ºC |
| maximum rpm: |
7400 RPM |
| dynamic load capacity: |
26700 N |
| series: |
63 |
| static load capacity: |
14000 N |
| manufacturer product page: |
Click here |
| precision rating: |
ISO Class 0 |
Company Profile
| Worktime |
7:00AM - 6:00PM |
| Phone |
0065 82577418 |
| Fax |
0065 82577552 |