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HOME
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ABOUT
-
PRODUCTS
- DRILLING TOOLS
- DRILLING MOTORS
- STABILIZERS
- DRILL COLLARS
- DRILLING JARS
- HYDRAULIC AGITATOR
- ANTI STICK-SLIP TOOL
- MULTIPLE ACTIVATION BYPASS VALVE
- DRILL PIPES
- NON-ROTATING PROTECTOR
- X-OVER & SUBS
- DRILL BITS
- MICRO REAMER
- FISHING TOOLS
- RELEASING SPEAR
- RELEASING AND CIRCULATING OVERSHOT
- REVERSE CIRCULATION JUNK BASKET
- JUNK SUB
- FISHING MAGNET
- SAFETY JOINT
- TAPER TAP
- DIE COLLAR
- IMPRESSION BLOCK
- DITCH MAGNET
- MILLING SHOES
- WASHOVER PIPE
- IBOPs
- KELLY VALVE
- FLOAT VALVE
- FULL OPENING SAFETY VALVE
- TOP DRIVE IBOP
- INSIDE BOP
- DROP-IN CHECK VALVE
- WELLBORE CLEANING TOOLS
- CASING SCRAPER
- NON-ROTARY CASING SCRAPER
- CASING BRUSH
- CUTTING BED IMPELLER
- STRING MAGNET
- ROTARY CASING GUIDER
- CASING CUTTER
- SECTION MILL
- WELLHEAD TOOLS
- ELEVATORS
- ELEVATOR LINKS
- POWER TONGS
- MANUAL TONGS
- SLIPS
- SPIDERS
- SPINNING WRENCH
- BUSHINGS
- DRILLING EQUIPMENTS
- MUD PUMP
- VALVE SEAT AND BODY
- PISTON
- CYLINDER LINER
- HYDRAULIC BUCKING UNIT
- JAR TESTER
- FRAC PUMP VALVE RUBBER
- FRAC PUMP VALVE BODY
- FRAC PUMP VALVE SEAT
- FRAC PUMP PLUNGER PACKING
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PRESS
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推力滚子轴承
Thrust Roller Bearing
Thrust roller bearing belongs to separated type bearing, which is easy to install and disassemble. The rigidity of the bearing is large, and the occupied space is small. It can bear large axial load and a certain amount of impact load, but the allowable speed of the structure bearing is relatively low.
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According to the structure, the thrust roller bearing is divided into:
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thrust cylindrical roller bearing;
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thrust tapered roller bearing;
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thrust spherical roller bearing;
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thrust needle bearing;
① Thrust cylindrical roller bearing
According to the different number of roller groups, the bearing is divided into single row cylindrical roller bearing and double row cylindrical roller bearing. Single row cylindrical roller bearing can bear single direction axial load and limit one direction axial displacement, double row cylindrical roller bearing can bear two-way axial load and limit two directions axial displacement.② Thrust tapered roller bearing
The inner and outer raceways are tapered, and the rolling body is also tapered roller. The extension lines of the three meet at the same point of the bearing axis line. The motion friction is smaller than other thrust roller bearings.③ Thrust spherical roller bearing
Because the load action line and axis form a certain angle, this kind of bearing can bear the axial and radial load at the same time, and can be used in the extremely heavy load situation, the allowable speed is also higher, the thrust self-aligning roller bearing has better self-aligning performance, but the allowable angular error decreases with the increase of the actual load applied to the bearing. -
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