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NTN UK317D1 is an adapter-type insert bearing with a 85 mm bore, double sealed for contamination protection. Constructed from through hardened steel, it is designed for use in mounted bearing units requiring secure shaft mounting via adapter sleeve.
MODEL UK317D1
$824.09 Each
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Returnable:No
Bearing Type
Insert bearing, adapter type
Enclosure
Double sealed
Height
7.087
I.D.
85 mm
Length
7.087
Material
Through hardened steel
O.D.
180 mm
Width
2.3622
Technical Specifications
Type | Insert Bearing, Adapter Type |
|---|---|
Bore Type | Tapered |
Bearing Type | Ball Bearing |
Material | Through Hardened Steel |
Taper | 1:12 |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Performance | Intermediate Duty |
Locking Device | Adapter |
Lubrication | Relubricatable |
Static Load Rating | 21800 lbf97000 N97.00 kN |
Dynamic Load Rating | 29900 lbf133000 N133.00 kN |
Enclosure | Double Sealed |
Weight | 14.815 lb6.720 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 3.3465 in85.000 mm |
|---|---|
D | 7.0866 in180.000 mm |
C | 1.8504 in47.000 mm |
B | 2.3622 in60.000 mm |
d4 | 4.5039 in114.400 mm |
F | 0.4724 in12.000 mm |
Bore Size of the Adapter Type H | 2.9528 in75.000 mm |
Bore Size of the Adapter Type HE | 3.0000 in76.200 mm |
Bore Size of the Adapter Type HA | 2.9375 in74.613 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.
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