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Link-Belt PU3K35 (10421743) is a 2-bolt pillow block ball bearing with a 2-3/16" bore and tapered adapter mount. The cast iron housing is powder coated for corrosion resistance. This fixed (non-expansion) unit features a clearance seal with flingers and a nylon retainer. Designed for heavy-duty industrial applications, it has a dynamic load rating of 23,420 lbf and a static load rating of 15,300 lbf.
MODEL 10421743
Contact supplier for technical support on: 800-626-2120
$1,354.28 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Ability to Relubricate
Yes
Available end cap
No
Base Length (in)
14.63
Base to centerline height (in)
4 in
Base Width (in)
3.75
Bearing housing
Pillow block 2 bolt 300 series
Bearing housing material
Cast iron
Bearing Insert Material
52100 Bearing Steel
Bearing Type
Heavy duty ball brg
Bolt hole spacing (width) (in)
11.81
Bore diameter (in)
2.1875
Bore length (in)
3 1/32 in
Bore Shape
Straight
C dynamic load rating
23420 lb
Cage Material
Molded fiber glass reinforced nylon
Cage Type
Ball Riding Retainer
Co static load rating
15300 lb
Distance between bolt holes (in)
11 13/16 in
Distance from Bearing Centerline to Cap Face (in)
2 3/16 in
Distance from Bearing Centerline to Outer Most Bearing Face (in)
1 53/64 in
Fixed expansion
Fixed
Foot Height (in)
1.63
Grease fitting size
1/8 NPT
Height
14.63
Housing Base
Semi-Solid
Housing coating
Powder coated
Housing Color
Black
Housing construction
One Piece
Housing height (in)
7 3/4 in
Inner Ring Outside Diameter (in)
3.732
Insert
UG3K35L
Length
8.38
Locking collar outside diameter (in)
3 3/8 in
Locking device kit
H2313035
Lubricant
Lithium Complex NLGI 2 Grease
Lubrication type
EXXON RONEX MP STD
Max Speed
3950 rpm
Max temperature (°F (°C))
225 (107) F (C)
Maximum Temperature (C)
107
Misalignment Capability
±2.0° Misalignment - Static Only
Misalignment Type
Static Only
Mounted clearance
C3 standard
Mounting bolt hole slot length (in)
1 5/8 in
Mounting bolt size (in)
7/8 in
Mounting pad height (in)
1 5/8 in
Mounting pad length (in)
14 5/8 in
Mounting pad width (in)
3 3/4 in
Outer Ring Land Profile
Standard
Primary seal
Clearance seal with flingers
Retainer type
Nylon
Rolling element
Ball Bearing
Service instructions
BR3-007 LB 200 ball-300 ball
Shaft diameter (in)
2 3/16 in
Shaft locking
Tapered adapter mount
Shaft locking collar kit/adapter assembly
H2313035
Size code
344
Total expansion capability
7/32 in
Type of seal
Clearance seal
Unit of dimension
in
Vibration frequency fundamental train
0.0063 cps
Vibration frequency inner ring defect
0.0820 cps
Vibration frequency outer ring defect
0.0513 cps
Vibration frequency roller spin
0.0342 cps
Volume
2.784
Volume unit
GLL
Width
5.25
Bearings The Link-Belt (Rexnord) PU3K35 10421743 2 43540 Pillow Block Ball Bearing is engineered for high-performance applications, ensuring reliable operation in demanding environments. This robust 2-bolt pillow block bearing is designed to support rotating shafts while providing stability and ease of installation. Ideal for various industrial and construction applications, this bearing combines advanced materials with precision engineering, making it a trusted choice for heavy machinery.
Key Features
| Design | 2-bolt pillow block configuration for easy mounting and alignment. |
|---|---|
| Material | High-quality steel construction for enhanced durability and resistance to wear. |
| Load Capacity | Rated for heavy loads, capable of handling significant radial and axial loads. |
| Dimensions | Standardized dimensions for compatibility with a wide range of equipment. |
| Seal Type | Equipped with a robust sealing mechanism to prevent contamination and prolong service life. |
Applications
| Heavy Machinery | Perfect for use in cranes, conveyors, and other heavy construction equipment. |
|---|---|
| Industrial Equipment | Suitable for various industrial applications, including manufacturing and processing systems. |
| Agricultural Machinery | Designed to withstand the demands of agricultural applications, ensuring reliable performance. |
Benefits
| Enhanced Reliability | Built to operate under high-stress conditions, reducing the risk of unexpected downtime. |
|---|---|
| Ease of Installation | The 2-bolt design simplifies mounting, facilitating quick replacements or adjustments. |
| Reduced Maintenance Costs | The effective sealing and durable materials minimize wear and tear, leading to lower maintenance requirements. |
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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