
WPB-T/WPB-TG Wide Series Precision Spherical Bearings
- Wide Series Precision Spherical Bearings
- Available in Inch and Metric Sizes
- 52100 Bearing Steel Ball
- Zinc Plated, Stainless Steel Optional
- Manufacturer Direct, Custom Orders Welcome
WPB-T/WPB-TG Wide Series Precision Spherical Bearings Overview
WPB-T/WPB-TG Wide Series Precision Spherical Bearings
| BALL | |||||
| 52100 BEARING STEEL, HEAT TREATED HRC58-64 | |||||
| HARD CHROME PLATED | |||||
| HEAT TREATED 440C STAINLESS OPTIONAL | |||||
| RACE | |||||
| ALLOY STEEL, OIL COATED, TEFLON LINED | |||||
| HEAT TREATED STAKING GROOVE OPTIONAL(WPB-TG) | |||||
| HEAT TREATED STAINLESS OPTIONAL | |||||
Product Features:
Type: Inch/Metric
Thread: Right/Left
Regular Size: Inch Size from WPB4T-WPB16T
Metric Size Both Available
Custom Option: Material/Size
WPB-T/WPB-TG Wide Spherical Bearing Size Chart

| BEARING NO. | B | D | W | T | O | M | BALL | a° | STATIC | APPROX | ||||
| DIA. | DIA. | WIDTH | WIDTH | FLAT DIA. | CHAMFER | DIA. | MIS. | RADIAL | WEIGHT | |||||
| +0.0000 | +0.0000 | +0.000 | +0.005 | REF. | REF. | REF. | ANGLE | LOAD | (LBS) | |||||
| -0.0005 | -0.0005 | -0.002 | -0.005 | REF. | (LBS) | |||||||||
| WPB4T | 0.2500 | 0.6250 | 0.437 | 0.327 | 0.300 | 0.022 | 0.531 | 15.0 | 5,500 | 0.031 | ||||
| WPB5T | 0.3125 | 0.6875 | 0.437 | 0.317 | 0.360 | 0.032 | 0.593 | 14.0 | 9,400 | 0.035 | ||||
| WPB6T | 0.3750 | 0.8125 | 0.500 | 0.406 | 0.466 | 0.032 | 0.687 | 8.0 | 13,700 | 0.060 | ||||
| WPB7T | 0.4375 | 0.9375 | 0.562 | 0.442 | 0.537 | 0.032 | 0.781 | 10.0 | 20,700 | 0.080 | ||||
| WPB8T | 0.5000 | 1.0000 | 0.625 | 0.505 | 0.607 | 0.032 | 0.875 | 9.0 | 21,400 | 0.100 | ||||
| WPB9T | 0.5625 | 1.1250 | 0.687 | 0.536 | 0.721 | 0.032 | 1.000 | 10.0 | 26,600 | 0.135 | ||||
| WPB10T | 0.6250 | 1.1875 | 0.750 | 0.567 | 0.752 | 0.032 | 1.062 | 12.0 | 29,000 | 0.160 | ||||
| WPB12T | 0.7500 | 1.3750 | 0.875 | 0.630 | 0.845 | 0.044 | 1.250 | 13.0 | 37,000 | 0.240 | ||||
| WPB14T | 0.8750 | 1.6250 | 0.875 | 0.755 | 0.995 | 0.044 | 1.375 | 6.0 | 65,200 | 0.350 | ||||
| WPB16T | 1.0000 | 2.1250 | 1.375 | 1.005 | 1.269 | 0.044 | 1.875 | 12.0 | 104,000 | 0.970 | ||||
| BEARING NO. | B | D | W | T | O | P | R | S | G | BALL | a° | STATIC | APPROX | |
| DIA. | DIA. | WIDTH | WIDTH | FLAT DIA. | DIA. | MIS. | RADIAL | WEIGHT | ||||||
| +0.0000 | +0.0000 | +0.000 | +0.005 | REF. | +0.000 | +0.002 | MIN. | +0.000 | REF. | ANGLE | LOAD | (LBS) | ||
| -0.0005 | -0.0005 | -0.002 | -0.005 | -0.015 | -0.005 | -0.01 | REF. | (LBS) | ||||||
| WPB4TG | 0.2500 | 0.6250 | 0.437 | 0.327 | 0.300 | 0.030 | 0.010 | 0.010 | 0.565 | 0.531 | 15.0 | 5,500 | 0.031 | |
| WPB5TG | 0.3125 | 0.6875 | 0.437 | 0.317 | 0.360 | 0.030 | 0.010 | 0.010 | 0.627 | 0.593 | 14.0 | 9,400 | 0.035 | |
| WPB6TG | 0.3750 | 0.8125 | 0.500 | 0.406 | 0.466 | 0.040 | 0.015 | 0.020 | 0.714 | 0.687 | 8.0 | 13,700 | 0.060 | |
| WPB7TG | 0.4375 | 0.9375 | 0.562 | 0.442 | 0.537 | 0.040 | 0.015 | 0.020 | 0.839 | 0.781 | 10.0 | 20,700 | 0.080 | |
| WPB8TG | 0.5000 | 1.0000 | 0.625 | 0.505 | 0.607 | 0.040 | 0.015 | 0.020 | 0.902 | 0.875 | 9.0 | 21,400 | 0.100 | |
| WPB9TG | 0.5625 | 1.1250 | 0.687 | 0.536 | 0.721 | 0.040 | 0.015 | 0.020 | 1.027 | 1.000 | 10.0 | 26,600 | 0.135 | |
| WPB10TG | 0.6250 | 1.1875 | 0.750 | 0.567 | 0.752 | 0.040 | 0.015 | 0.020 | 1.089 | 1.062 | 12.0 | 29,000 | 0.160 | |
| WPB12TG | 0.7500 | 1.3750 | 0.875 | 0.630 | 0.845 | 0.060 | 0.015 | 0.020 | 1.253 | 1.250 | 13.0 | 37,000 | 0.240 | |
| WPB14TG | 0.8750 | 1.6250 | 0.875 | 0.755 | 0.995 | 0.060 | 0.015 | 0.020 | 1.503 | 1.375 | 6.0 | 65,200 | 0.350 | |
| WPB16TG | 1.0000 | 2.1250 | 1.375 | 1.005 | 1.269 | 0.060 | 0.015 | 0.020 | 2.003 | 1.875 | 12.0 | 104,000 | 0.970 | |
Custom Service Process: Select Similar Product — Confirm MOQ — Send Inquiry — Send your Drawings or Samples — Customization
Select product (If your product is not on our website, select a similar product) — Confirm the quantity you need meet up with our MOQ — Send inquiry with your Drawings or Samples — We will reply to you and confrim details — Send details to our factory and start customization
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Every Unit Inspected Before Shipment
Raw Material Inspection
Material certifications verified before machining and assembly begin.
Dimensional Check
Critical dimensions are checked against drawing or sample requirements.
Surface Inspection
Visual inspection confirms finish quality, burr removal, and assembly cleanliness.
Batch Documentation
Inspection reports and production traceability can be provided on request.
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