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NTN NPS103RPC is a bearing insert with an eccentric locking collar and narrow inner ring. It features a spherical outer diameter, double sealed enclosure, and through hardened steel construction. Designed for mounted bearing applications requiring secure shaft locking and misalignment accommodation.
MODEL NPS103RPC
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$35.64 Each
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Brand Minimum Order Quantity: 2
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Returnable:No
B (in)
0.9370
B1
1.4055 in
B5
0.6260 in
Ball Material
Steel
Ball material
Steel
Basic Outer Ring
206
Bearing Type
Ball Bearing
Bore Type
Round
Bore type
Round
C (in)
0.7087
Collar Number
C-103#BCA
Configuration
One
D (in)
2.4409
d (in)
1 3/16
d3
1.7520 in
DS
5/16-24 UNF
Dynamic Load Rating
4400 lbf
Dynamic load rating
4400 lbf
Enclosure
Double Sealed
G (in)
0.2362
I.D.
30.162 mm
Limiting Speed - Grease
4900 RPM
Limiting speed - grease
4900 RPM
Locking Device
Eccentric Locking Collar
Locking device
Eccentric locking collar
Locking Device Part Number
EL206-103
Lubrication
Non-relubricatable
Material
Through hardened steel
O.D.
62 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Standard Duty
r (in)
0.0394
Radial Internal Clearance
C3
Radial internal clearance
C3
S
0.3543 in
S1
1.0512 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
2540 lbf
Static load rating
2540 lbf
Type
Insert Bearing
Technical Specifications
Type | Insert Bearing |
|---|---|
Bore Type | Round |
Bearing Type | Ball Bearing |
Material | Through Hardened Steel |
Ball Material | Steel |
Limiting Speed - Grease | 4900 RPM |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Performance | Standard Duty |
Configuration | One |
Locking Device | Eccentric Locking Collar |
Locking Device Part Number | EL206-103 |
Lubrication | Non-Relubricatable |
Collar Number | C-103#BCA |
Basic Outer Ring | 206 |
Radial Internal Clearance | C3 |
Static Load Rating | 2540 lbf11300 N11.30 kN |
Dynamic Load Rating | 4400 lbf19500 N19.50 kN |
Enclosure | Double Sealed |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.1875 in30.163 mm |
|---|---|
D | 2.4409 in62.000 mm |
C | 0.7087 in18.000 mm |
B | 0.9370 in23.800 mm |
B1 | 1.4055 in35.700 mm |
r | 0.0394 in1.000 mm |
ds | 5/16-24 UNF |
G | 0.2362 in6.000 mm |
d3 | 1.7520 in44.500 mm |
B5 | 0.6260 in15.900 mm |
S1 | 1.0512 in26.700 mm |
S | 0.3543 in9.000 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.
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