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NTN 81130 Bearing Details：

Bearing Name 81130 New Model 81130 Old Model 9130 bearing product Model 81130 Category Thrust Roller Bearings Brand NTN Bearing Inner Diameter d ( mm ) 150 Outer Diameter D ( mm ) 190 Thickness B ( mm ) 31

NTN 81130 Bearing   Bearing Size and Drawing：

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
KOYO 51130 Bearing	150	190	31	KOYO	Thrust Ball Bearings
TBS 81130 Bearing	150	190	31	TBS	Thrust Roller Bearings
INA 81130 Bearing	150	190	31	INA	Thrust Roller Bearings
NTN 51130 Bearing	150	190	31	NTN	Thrust Ball Bearings
STEYR 51130 Bearing	150	190	31	STEYR	Thrust Ball Bearings
NACHI 51130 Bearing	150	190	31	NACHI	Thrust Ball Bearings
TBS 51130M Bearing	150	190	31	TBS	Thrust Ball Bearings
INA 81130 TN Bearing	150	190	31	INA	Cylindrical Roller Thrust Bearings
KOYO 51130 Bearing	150	190	31	KOYO	Thrust Ball Bearings
TBS 81130TN Bearing	150	190	31	TBS	Thrust Roller Bearings

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Thrust roller bearings (including thrust cylindrical roller, thrust tapered roller, and thrust self-aligning roller bearings) mainly consist of a shaft ring, a housing ring, rollers, and a cage.
They employ a line contact design and offer advantages such as extremely high axial load capacity, good rigidity, impact resistance, and the ability to withstand certain radial loads (thrust tapered roller bearings) or possess self-aligning functionality (thrust self-aligning roller bearings). Compared to thrust ball bearings, their axial load capacity and impact resistance are significantly stronger. Compared to thrust cylindrical roller bearings, thrust tapered roller bearings can withstand additional radial loads, while thrust self-aligning roller bearings can compensate for alignment errors, making them suitable for heavy-duty applications requiring higher load capacity, rigidity, and adaptability to operating conditions. These bearings are primarily used in heavy-load, low-speed, or medium-speed applications requiring the withstand of enormous axial thrust. Typical applications include ship propeller thrust shafts, large vertical turbine main shafts, heavy-duty crane slewing mechanisms, oil drilling rig rotary tables, rolling mill pressing mechanisms, large gearboxes, and hydraulic presses.