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Help CenterNeedle Roller Bearing NKI 5/12 Bearing NKI 10/20
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Needle Roller bearing NKI 5/12 bearing NKI 10/20
What‘s the specification of NKI5/12 bearing?
NKI5/12-TN Needle Roller Bearing 5x15x12 With Inner Ring
| d | D | B | Dynamic Load (kN) | Static Load (kN) | Reference speed (r/min) | Limiting speed (r/min) |
| 5 | 15 | 12 | 3,8 | 4,25 | 32000 | 36000 |
Needle roller bearings with machined rings made of bearing steel have a low sectional height and a high load carrying capacity. They can be used with or without an inner ring. Needle roller bearings without an inner ring will require the shaft to be hardened and ground.
The most popular ranges in this product type are:
- NK, NKS, RNA series - Without Inner Rings
- RNA.....-2RS - Without Inner Rings but with integral lip seals
- NKI, NA, NKIS - With Inner Rings
- NA.....-2RS - With Inner Rings and integral lip seals
Other types available on request include:
- RNAO - Needle Roller Bearing without ribs and without inner ring
- NAO - Needle Roller Bearing without ribs but with inner ring
- RPNA - Aligning Needle Roller Bearing without inner ring
- PNA - Aligning Needle Roller Bearing with inner ring
What's Needle Bearings?
Needle bearings are roller bearings with rollers that have high length-to diameter ratios. Needle bearings are used in farm and construction equipment, automotive transmissions, small gasoline engines, gear pumps, small appliance and tool motors, alternators, and aircraft controls.
Needle bearings are usually lubricated with grease, but oil or oil-mist lubrication is preferred for heavy-duty or high-speed applications. Many light-duty needle bearings never require relubrication, but high loads or speeds demand it.
Compared with other roller bearings, needle bearings have much smaller rollers for a given bore size. Needle bearings have the highest load capacity for a given radial space of all rolling-element bearings, but their use is limited to bore diameters less than 10 in.
All needle bearings are variations of two basic designs. The first needle bearing design, full complement, has a full complement of needles and contains no retainer. The second needle bearing design, caged needle, contains a retainer or cage for roller guidance and spacing. Caged needle bearings have smaller roller complements and lower load capacities than full-complement bearings. Needle bearings have the advantage of a higher speed capacity; retainers prevent high-velocity rubbing between adjacent needles and provide more effective roller guidance. Needle bearings also have greater lubricant capacity.
We can supply other kind of beairng,such as:
Bearingmodel |
Brand |
OldModel
|
Id |
Od |
Wid |
Control model
|
NKI 5/12 |
CLUNT |
NKI 5/12 |
5 |
15 |
12 |
NKI 5/12 |
NKI 5/16 |
CLUNT |
NKI 5/16 |
5 |
15 |
16 |
NKI 5/16TN |
NKI 6/12 |
CKUNT |
NKI 6/12 |
6 |
16 |
12 |
NKI 6/12TN |
NKI 6/16 |
CKUNT |
NKI 6/16 |
6 |
16 |
16 |
NKI 6/16TN |
NKI 7/12 |
CLUNT |
NKI 7/12 |
7 |
17 |
12 |
NKI 7/12 |
NKI 7/16 |
CLUNT |
NKI 7/16 |
7 |
17 |
16 |
NKI 7/16TN |
NK 5/10 |
CLUNT |
NK 5/10 |
5 |
10 |
10 |
NK 5/10TN |
NK 5/12 |
CLUNT |
NK 5/12 |
5 |
10 |
12 |
NK 5/12 |
NK 6/10 |
CLUNT |
NK 6/10 |
6 |
12 |
10 |
NK 6/10TN |
NK 6/12 |
CLUNT |
NK 6/12 |
6 |
12 |
12 |
NK 6/12TN |
NK 7/10 |
CLUNT |
NK 7/10 |
7 |
14 |
10 |
NK 7/10TN |
NK 7/12 |
CLUNT |
NK 7/12 |
7 |
14 |
12 |
NK 7/12TN |
NK 8/12 |
CLUNT |
NK 8/12 |
8 |
15 |
12 |
NK 8/12 |
NK 8/16 |
CLUNT |
NK 8/16 |
8 |
15 |
16 |
NK 8/16TN |
NK 9/12 |
CLUNT |
NK 9/12 |
9 |
16 |
12 |
NK 9/12TN |
NK 9/16 |
CLUNT |
NK 9/16 |
9 |
16 |
16 |
NK 9/16TN |
NK 10/12 |
CLUNT |
NK 10/12 |
10 |
17 |
12 |
NK 10/12 |
NK 10/16 |
CLUNT |
NK 10/16 |
10 |
17 |
16 |
NK 10/16TN |
NKI 10/16 |
CLUNT |
NKI 10/16 |
10 |
22 |
16 |
NKI 10/16 |
NKI 10/20 |
CLUNT |
NKI 10/20 |
10 |
22 |
20 |
NKI 10/20 |
Bearing Pictures:
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