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NTN 6003LLBNR 60 series single-row deep groove ball bearing with 17 mm straight bore. Double non-contact rubber seals (LLB) and snap ring for axial location. For electric motors, pumps, fans, and general rotating machinery.
MODEL 6003LLBNR
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$31.27 Each
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Brand Minimum Order Quantity: 3
Typically Ships in: 1 day
Returnable:No
a (in)
0.0811
B (in)
0.3937
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
Configuration
One
D (in)
1.3780
d (in)
0.6693
D1
1.3059 in
D2
1.5630 in
Da max
1.2992 in
da max
0.8268 in
da min
0.748 in
Dynamic Load Rating
1690 lbf
Dynamic load rating
1690 lbf
Enclosure
Double Sealed
f (in)
0.0441
Factor
13.6
Height
1.563
I.D.
17 mm
Length
1.563
Limiting Speed - Grease
20000 RPM
Limiting speed - grease
20000 RPM
Material
High carbon chrome steel
O.D.
35 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0118
r1
0.0118 in
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0118 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Non-Contact
Seal type
Non-Contact
Static Load Rating
755 lbf
Static load rating
755 lbf
Type
Deep Groove Ball Bearing
Technical Specifications
| Type | Deep Groove Ball Bearing |
|---|---|
| Bore Type | Round |
| Material | High Carbon Chrome Steel |
| Cage Type | Pressed |
| Cage Material | Steel |
| Ball Material | Steel |
| Limiting Speed - Grease | 20000 RPM |
| Seal Type | Non-Contact |
| Seal Material | Nitrile Rubber |
| Precision | ISO Class 0 |
| Configuration | One |
| Factor | 13.6 |
| Radial Internal Clearance | CN |
| Static Load Rating | 755 lbf3350 N3.35 kN |
| Dynamic Load Rating | 1530 lbf6800 N6.80 kN |
| Enclosure | Double Sealed |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 0.6693 in17.000 mm |
|---|---|
| D | 1.3780 in35.000 mm |
| B | 0.3937 in10.000 mm |
| D1 | 1.3059 in33.170 mm |
| D2 | 1.5630 in39.700 mm |
| a | 0.0811 in2.060 mm |
| f | 0.0441 in1.120 mm |
| r | 0.0118 in0.300 mm |
| r1 | 0.0118 in0.300 mm |
| da min | 0.7480 in19.000 mm |
| da max | 0.8268 in21.000 mm |
| Da max | 1.2992 in33.000 mm |
| ras max | 0.0118 in0.300 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.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
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