Description & Specifications
UCP208-24 Pillow Block Bearing Description
UCP208-24 bearings are a pillow block unit with a self aligning bearing. The UCP208-24 housings are manufactured from quality cast iron and come with a zerk (Grease) fitting. The UC208-24 bearings used in this assembly has a synthetic seal with an outer steel disc slinger that protects the seals. The bearings have two set screws in the inner race for securing the bearing to a shaft.
UCP208-24 Bearing Dimensions
- Bore (d):1-1/2"
- Base To Bearing Center (H):1-15/16"
- Overall Length (L):7-3/32"
- Mounting Holes C to C (J):5-3/8"
- Base Width (A):2-1/8"
- Mounting Hole Width (N):19/32"
- Mounting Hole Length (N1):13/16"
- Base Thickness (H1):23/32"
- Overall Height (H0):3-27/32"
- Bearing Length - LTB (B):1-15/16"
- Dynamic Load Rating (lbs):6,654
- Static Load Rating (lbs):4,091
- Pre-Lubricated:Yes
- Self Aligning:Yes*
*Bearings received may not be 100% centered due to the self aligning feature.
Bearing Features
- Self Aligning Bearing
- Solid Single Piece Cast Iron Housing
- Dual Sealed Bearing
- Pre-Lubricated
- Includes Zerk Fitting For Re-Greasing
Product Care & Maintenance
Bearing Re-lubrication
Maximizing the service life requires that you re-lubricate the bearing at set intervals based on the application and conditions. Below is a general guideline chart that shows the intervals a bearing should be re-lubricated. There are many other conditions and factors that will affect how often you need to re-lubricate.
| dn Value* | Environmental Conditions | Operating Temperature | Intervals |
|---|---|---|---|
| Up To 40,000 | Ordinary | 5°F to 150°F | 6-12 Months |
| Up To 40,000 | Ordinary | 150°F to 210°F | 2-6 Months |
| 40,000 To 70,000 | Ordinary | 5°F to 150°F | 2-6 Months |
| 40,000 To 70,000 | Ordinary | 150°F to 210°F | Monthly |
| Up To 70,000 | Dirty | 5°F to 150°F | Weekly To Monthly |
| Up To 70,000 | Dirty | 150°F to 210°F | Daily To Weekly |
| Up To 70,000 | Very Dirty | Any | Daily |
*d = Inner Ring Diameter
*n = RPM
Grease Type & Amount
Its recommended to use a lithium based NLGI #2 grease, which is suitable for most applications. All mounted bearings come pre-lubricated off the shelf. The chart below is a general guideline that lists the amount of grease based on the bore size of the bearing. However, grease amounts may vary based on your application experience. Temperatures over 210°F & under 20°F should use a special formulated grease. Grease should be added under low pressure with the shaft slowly turning to distribute the grease evenly. Overfilling will cause the bearing to overheat and will damage the seals.
| Bore size | Grease Amount |
|---|---|
| 5/8” Up To 1” | 1.5 – 2 Grams |
| 1-1/8" Up To 1-1/2" | 2.5 – 3 Grams |
| 1-7/16” Up To 2-7/16" | 4 – 5 Grams |
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