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MTE-870
BWK
BWK-MTE-870
MTE-870 is a external gear four point contact slewing bearing with a 34.25 in bore, 47.444 in outside diameter and 4.25 in overall assembly height. The external gear engages a mating pinion. The raceway supports combined loads and overturning moment in a bolted rotary assembly.
| Model | MTE-870 |
| Product Type | External Gear Four Point Contact Slewing Bearing |
| Structure | Single-row ball ring with external gear |
| Dimension Units | Inch (dimensions shown) |
| Series | MT Series |
| Gear | External Gear |
| Type | Ball |
| Bearing Type | Standard |
| Inside Diameter Of Inner Ring | 34.25 in |
| Outside Diameter Of Outer Ring | 47.444 in |
| Height Of Overall Bearing Assembly | 4.25 in |
| Height Of Inner Ring | 3.875 in |
| Bolt Circle In Inner Ring | 36.25 in |
| For Load Direction | Four Point Contact |
| Bolt Circle In Outer Ring | 43.875 in |
| Size Holes In Inner Ring | 1.188 in |
| Tooth | SD |
| Size Holes In Outer Ring | 1.188 in |
| Face Width Of Gear Teeth | 3.875 in |
| Number Holes In Inner Ring | 28 |
| Number Holes In Outer Ring | 24 |
| Diametral Pitch | 2.5 |
| Pitch Diameter Of Gear | 46.8 in |
| Number Of Gear Teeth | 117 |
| Moment Load Rating | 873800 ft-lbf |
| Max Gear Tooth Load Fz | 31620 lbs |
| Ring Material Options | 42CrMo or 50Mn or 440C; confirm supplied grade when ordering |
| Ball Material | Chrome Steel |
| Cage Material | Nylon or 300 Series Stainless Steel |
| Seal Material | NBR |
| RoHS | Compliant |
| Weight | 771 lbs |
Driven rotary tables, handling machinery and positioning platforms.
Assess axial load, radial load and overturning moment together with speed, duty cycle and mounting stiffness. Confirm the bolt circles, hole sizes, material grade, seal configuration and lubrication requirements before ordering. Use flat, adequately stiff mounting surfaces and the specified bolt-tightening procedure. Match the gear module or diametral pitch, tooth count and gear face width to the pinion, and check the permissible tooth load.
BWK provides reliable bearing solutions for industrial and agricultural applications, supported by stable supply, strict quality control and flexible OEM & ODM services.
