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NTN 51107 single direction thrust ball bearing with a 35 mm straight bore. Designed for axial loads in one direction, this bearing features a shaft washer, housing washer, and ball and cage assembly. Suitable for low-speed, moderate-load applications such as machine tool spindles and automotive transmissions.
MODEL 51107
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$40.71 Each
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Resin
Cage material
Resin
Cage Type
Molded
Cage type
Molded
Configuration
One
D (in)
2.0472
d (in)
1.3780
D1
1.4567 in
d1
2.0472 in
Da max
1.7717 in
da min
1.7717 in
Dynamic Load Rating
4600 lbf
Dynamic load rating
4600 lbf
Enclosure
Open
I.D.
35 mm
Limiting Speed - Grease
3900 RPM
Limiting speed - grease
3900 RPM
Limiting Speed - Oil
5600 RPM
Limiting speed - oil
5600 RPM
Material
High carbon chrome steel
O.D.
52 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Straight
Precision
ISO class 0
r (in)
0.0236
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0236 in
Seal material
None
Seal type
None
Static Load Rating
10000 lbf
Static load rating
10000 lbf
T (in)
0.4724
Type
Thrust Ball Bearing
Technical Specifications
Type | Thrust Ball Bearing |
Bore Type | Round |
Outside Ring Type | Straight |
Material | High Carbon Chrome Steel |
Cage Type | Molded |
Cage Material | Resin |
Ball Material | Steel |
Limiting Speed - Oil | 5600 RPM |
Limiting Speed - Grease | 3900 RPM |
Seal Type | None |
Seal Material | None |
Precision | ISO Class 0 |
Configuration | One |
Radial Internal Clearance | CN |
Static Load Rating | 10000 lbf44500 N44.50 kN |
Dynamic Load Rating | 4600 lbf20400 N20.40 kN |
Enclosure | Open |
Weight | 0.172 lb0.078 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
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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