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NTN HMK2515C drawn cup needle roller bearing, 25 mm bore, open type with steel cage. Heavy-duty HMK series design for applications with limited radial space. Steel construction.
MODEL HMK2515C
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$7.77 Each
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Brand Minimum Order Quantity: 10
Typically Ships in: 1 day
Returnable:No
Bearing Type
Needle Roller Bearing
Bore Type
Round
Bore type
Round
C (in)
0.5906
Cage Material
Steel
Cage material
Steel
Configuration
One
D (in)
1.2992
Dynamic Load Rating
3400 lbf
Dynamic load rating
3400 lbf
Enclosure
Open
Fw
0.9843 in
I.D.
25 mm
Limiting Speed - Grease
6500 RPM
Limiting speed - grease
6500 RPM
Limiting Speed - Oil
9500 RPM
Limiting speed - oil
9500 RPM
Material
Steel
O.D.
33 mm
Oil Hole
w/o Oil Hole
Oil hole
w/o Oil Hole
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
Radial Internal Clearance
CN
Radial internal clearance
CN
Static Load Rating
4450 lbf
Static load rating
4450 lbf
Type
Drawn Cup Needle Roller Bearing
Technical Specifications
Type | Drawn Cup Needle Roller Bearing |
|---|---|
Bore Type | Round |
Material | Steel |
Cage Material | Steel |
Limiting Speed - Oil | 9500 RPM |
Limiting Speed - Grease | 6500 RPM |
Bearing Type | Needle Roller Bearing |
Configuration | One |
Enclosure | Open |
Radial Internal Clearance | CN |
Precision | ISO Class 0 |
Oil Hole | w/o Oil Hole |
Static Load Rating | 4450 lbf19900 N19.90 kN |
Dynamic Load Rating | 3400 lbf15200 N15.20 kN |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
Fw | 0.9843 in25.000 mm |
|---|---|
D | 1.2992 in33.000 mm |
C | 0.5906 in15.000 mm |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
