FB-09G Bronze solid lubricated bearings-Products

Product image

Metallographic image

Available forms

Straight sleeve, thrust washer, skateboard, and other non-standard components.
Tolerance

The recommended seat hole tolerance is H7, and the shaft diameter tolerance is F7.
Product advantages

1. Save a large amount of copper materials and save labor hours for making copper sleeves for vehicles
2. Compared with car made shaft sleeves and rolling bearings, it is lighter in weight and lower in cost；
3. It can process various cavities, pits, and store a certain amount of grease on the friction surface, extending the refueling time by 5 times compared to copper sleeves；
4. Extremely high load-bearing capacity, especially suitable for rough friction surfaces；
Products available: straight sleeve, thrust washer, flanged sleeve, bearing shell, sliding plate, steel sleeve assembly.

Technical specifications

Overall characteristics	Value	Unit
Basic information
Code name	FB-09G
Material name	CuSn8P+graphite(Qsn8-0.3+graphite)
Main application areas	It has the advantages of low friction coefficient, good wear resistance, etc., and can work under oil-free or low oil conditions. The product is widely used in starting motors, cranes, construction machinery, automobiles, trucks, tractors, etc.
Maximum bearing pressure	140	N/mm²
Adapt to temperature range	-100~+250	℃
Maximum sliding speed	1.5	m/s
Coefficient of friction	0.06~0.25
Maximum allowable PV value (dry)	2.6	N/mm²·m/s
Maximum allowable PV value (oil)	15	N/mm²·m/s
Density	8.8	g/cm³
Maximum dynamic load	100	N/mm²
Maximum linear velocity (grease lubrication)	2.5	m/s
Maximum PV value (grease lubrication)	2.8	N/mm²·m/s
Tensile strength	>460	N/mm²
Yield strength	>280	N/mm²
Hardness HB	90~150	HB
Matching axis
Hardness HRC	≥50	HRC
Roughness	0.4~1.0
Applicable temperature	-40~150	℃
Coefficient of friction	0.03~0.1
Thermal conductivity	58	W/(m·K)
Linear expansion coefficient (axial)	18.5×10^-6	/K

Standard liner tolerance

Standard Dia.	O.D.Size	Housing Bore	I.D.Size	Matching Shaft Diameter
10~18	+0.065 +0.030	+0.018 0	+0.046 0	-0.016 -0.043
18~30	+0.075 +0.035	+0.021 0	+0.052 0	-0.020 -0.020
30~50	+0.085 +0.045	+0.025 0	+0.062 0	-0.025 -0.064
50~80	+0.100 +0.055	+0.030 0	+0.074 0	-0.030 -0.076
80~120	+0.120 +0.070	+0.035 0	+0.087 0	-0.036 -0.090
120~180	+0.170 +0.100	+0.400 0	+0.100 0	-0.043 -0.106
180~250	+0.210 +0.130	+0.046 0	+0.115 0	-0.050 -0.122
250~315	+0.260 +0.170	+0.052 0	+0.130 0	-0.056 -0.137

Product classification

Construction machinery

Widely equipped with large engineering equipment such as excavators, loaders, cranes, bulldozers, rollers, pump trucks, rotary drilling rigs, mining machinery, and graders. Mainly used in key parts such as walking mechanisms, slewing bearings, boom hinge points, hydraulic motors, reducers, hoisting mechanisms, track transmissions, hydraulic actuator components, etc.

Learn more
Automotive industry

Bearings are the core basic components of vehicle transmission and operation, fully compatible with various vehicle types such as fuel vehicles, hybrid vehicles, new energy passenger vehicles, commercial vehicles, trucks, and buses. Widely used in drive motors, engines, transmissions, wheel hub units, steering systems, chassis suspensions, braking systems, air conditioning compressors, water pumps, fans, differentials, and precision transmission structures for vehicles.

Learn more
Smart device

Covering intelligent equipment such as industrial robots, servo motors, linear modules, intelligent robotic arms, CNC equipment, precision testing instruments, intelligent security equipment, smart home transmission components, and automated precision machine tools.

Learn more