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NTN 81112 Bearing Details：

Bearing Name 81112 New Model 81112 Old Model 9112 bearing product Model 81112 Category Thrust Roller Bearings Brand NTN Bearing Inner Diameter d ( mm ) 60 Outer Diameter D ( mm ) 85 Thickness B ( mm ) 17

NTN 81112 Bearing   Bearing Size and Drawing：

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
KOYO 32912JR Bearing	60	85	17	KOYO	Tapered Roller Bearings
FAG 81112 Bearing	60	85	17	FAG	Thrust Roller Bearings
SNR 51112 Bearing	60	85	17	SNR	Thrust Ball Bearings
STEYR 51112 Bearing	60	85	17	STEYR	Thrust Ball Bearings
KOYO 32912 Bearing	60	85	17	KOYO	Tapered Roller Bearings
RHP 51112 Bearing	60	85	17	RHP	Thrust Ball Bearings
TBS 81112 Bearing	60	85	17	TBS	Thrust Roller Bearings
KOYO 32912 JR Bearing	60	85	17	KOYO	Tapered Roller Bearings
TBS 81 112 TN Bearing	60	85	17	TBS	Thrust Roller Bearings
INA 81112 Bearing	60	85	17	INA	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.