Koyo HJ-142216 Needle Roller Bearing, Heavy Duty, HJ Type, Open, Oil Hole, Steel
| Bearing number: |
7305B |
| Size (mm): |
25x62x17 |
| Bore Diameter (mm): |
25 |
| Outer Diameter (mm): |
62 |
| Width (mm): |
17 |
| d: |
25 mm |
| D: |
62 mm |
| B: |
17 mm |
Product Details
| Bearing number |
7305B |
| Size (mm) |
25x62x17 |
| Bore Diameter (mm) |
25 |
| Outer Diameter (mm) |
62 |
| Width (mm) |
17 |
| d |
25 mm |
| D |
62 mm |
| B |
17 mm |
| C |
17 mm |
| Angle (α) |
40 ° |
| a |
27 mm |
| r min. |
1,1 mm |
| r1 min. |
0,6 mm |
| da min. |
32 mm |
| db min |
29,5 mm |
| ra max. |
1 mm |
| Weight |
0,234 Kg |
| Basic dynamic load rating (C) |
24,4 kN |
| Basic static load rating (C0) |
14,6 kN |
| (Grease) Lubrication Speed |
11 000 r/min |
| Contact angle α |
40 ° |
| rs min |
1.1 mm |
| r1s min |
0.6 mm |
| Mass |
0.23 kg |
| Dynamic load, C |
24.4 kN |
| Static load, C0 |
14.6 kN |
| Fatigue limit load, Cu |
0.66 kN |
| Nlim (oil) |
15,000 rpm |
| Nlim (grease) |
11,000 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.4 Hz |
| Characteristic rolling element frequency, BSF |
3.77 Hz |
| Characteristic outer ring frequency, BPF0 |
4.42 Hz |
| Characteristic inner ring frequency, BPFI |
6.58 Hz |
| da min |
32 mm |
| Da max |
55 mm |
| Db max |
57.5 mm |
| r1a max |
0.6 mm |
| ra max |
1 mm |
| Category |
Angular Contact Ball Bearing |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
0.236 |
| Product Group |
B00308 |
| Enclosure |
Open |
| Flush Ground |
No |
| Rolling Element |
Ball Bearing |
| Number of Rows of Balls |
Single Row |
| Precision Class |
ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot |
No |
| Snap Ring |
No |
| Cage Material |
Steel |
| Contact Angle |
40 Degree |
| Internal Clearance |
C0-Medium |
| Number of Bearings |
1 (Single) |
| Inch - Metric |
Metric |
| Long Description |
25MM Bore; 62MM Outside Diameter; 17MM Width; Open; No Flush Ground; Ball Bearing; Single Row of Balls; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring |
| UNSPSC |
31171531 |
| Harmonized Tariff Code |
8482.10.50.28 |
| Noun |
Bearing |
| Keyword String |
Angular Contact |
| Manufacturer Item Number |
7305B |
| Weight / LBS |
0.522 |
| Width |
0.669 Inch | 17 Millimeter |
| Outside Diameter |
2.441 Inch | 62 Millimeter |
| Bore |
0.984 Inch | 25 Millimeter |
| bore diameter: |
25 mm |
| radial static load capacity: |
14600 N |
| outside diameter: |
62 mm |
| operating temperature range: |
-40 to 120 ºC |
| overall width: |
17 mm |
| cage material: |
Steel |
| contact angle: |
40 ° |
| outer ring width: |
17 mm |
| row type & fill slot: |
Single-Row Non-Fill Slot |
| maximum rpm: |
17000 rpm |
| internal clearance: |
C0 |
| finish/coating: |
Uncoated |
| bore type: |
Round |
| precision rating: |
ISO Class 0 |
| closure type: |
Open |
| fillet radius: |
1.1 mm |
| snap ring included: |
Without Snap Ring |
| series: |
73B |
| bearing material: |
High Carbon Chrome Steel |
| weight: |
0.236 kg |
| radial dynamic load capacity: |
24400 N |
| manufacturer product page: |
Click here |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |