Krupp Hydraulic Breaker Thrust Ring

Bush, Thrust Bush, Ring Bush for Hydraulic Hammers - Krupp

Company Information
We are a professional supplier of hydraulic breaker spare parts with many years of experience in China. Our products include a wide range of components such as hydraulic breakers, chisels, pistons, front and back heads, through bolts, side bolts, nuts, chisel pins, stop pins, outer jackets, inner jackets, seal kits, accumulators, diaphragms, cushions, and charging kits.

Our hydraulic breaker brands cover a variety of manufacturers including Krupp, Rammer, N.P.K., Indeco, Atlas Copco, Montabert, Furukawa, Toku, Toyo, Okada, Soosan, and more.

1. Breaker Front Cover and Bush Details:

Rock Breaker Bushing / Front Cover / Lower Bushing / Outer Bushing / Inner Bushing / Upper Bushing / Thrust Bushing

Main Specifications

Model Chisel Diameter Suitable Carrier Total Weight Blow Frequency Hydraulic Oil Flow

SB20 45 mm 1.2~3.0 ton 95 kg 700~1200 bpm 20~30 L/min

SB30 53 mm 2.5~4.5 ton 158 kg 600~1100 bpm 25~50 L/min

SB40 68 mm 4~7 ton 263 kg 500~900 bpm 40~70 L/min

SB43 75 mm 6~9 ton 334 kg 400~800 bpm 50~90 L/min

SB50 100 mm 10~15 ton 761 kg 350 ~ 700 bpm 80~110 L/min

SB70 135 mm 18~26 ton 1658 kg 400~800 bpm 130~150 L/min

SB81 140 mm 20~30 ton 1767 kg 350~500 bpm 120~180 L/min

SB121 155 mm 28~35 ton 2577 kg 300~450 bpm 180~240 L/min

SB131 165 mm 30~45 ton 2751 kg 250~400 bpm 200~260 L/min

SB151 175 mm 40~55 ton 3910 kg 200~350 bpm 210~290 L/min

Company Information

We are an international parts supplier based in China with many years of experience. Our main products include the following:

1. Hydraulic breakers for all models, maintenance services, and breaker parts such as chisels, through bolts, side bolts, front bush, inner bush, front head, back head, seal kits, turbocharger, etc.

2. Original and OEM undercarriage parts for construction machinery, including rubber tracks, track links, track shoes, rollers, carrier rollers, sprockets, idlers, and more.

We look forward to your inquiry!
Construction Series
Material: Q235 / Q345 / Carbon Steel / Ductile iron

Process: Forging / Investment Casting / Machining

Surface: Zinc / Chromium / Electro Plating / Dacormet / Painting

Unit Weight: 0.2-3KG

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Model	Chisel Diameter	Suitable Carrier	Total Weight	Blow Frequency	Hydraulic Oil Flow
SB20	45 mm	1.2~3.0 ton	95 kg	700~1200 bpm	20~30 L/min
SB30	53 mm	2.5~4.5 ton	158 kg	600~1100 bpm	25~50 L/min
SB40	68 mm	4~7 ton	263 kg	500~900 bpm	40~70 L/min
SB43	75 mm	6~9 ton	334 kg	400~800 bpm	50~90 L/min
SB50	100 mm	10~15 ton	761 kg	350 ~ 700 bpm	80~110 L/min
SB70	135 mm	18~26 ton	1658 kg	400~800 bpm	130~150 L/min
SB81	140 mm	20~30 ton	1767 kg	350~500 bpm	120~180 L/min
SB121	155 mm	28~35 ton	2577 kg	300~450 bpm	180~240 L/min
SB131	165 mm	30~45 ton	2751 kg	250~400 bpm	200~260 L/min
SB151	175 mm	40~55 ton	3910 kg	200~350 bpm	210~290 L/min