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Hardened bushing without slit with lubrications grooves

Hardened clamp bushing

Hardened sliding bearings are primarily used when the dynamic load breaks and rapidly wear out sliding bearing made of steel or bronze. These bearings must be lubricated. The hardness of the material is 58-92 HRC and require a shaft hardness of at least 62 HRC to avoid wear on the shaft.

Bearings of type BGFR has a circular diagonal lubrication groove inside, and around the outside circumference in the middle sector. The outside lubrication groove has a through-going lubrication hole.

Härdad bussning utan slits med smörjspår
Ritning på härdad bussning utan slits med smörjspår
Recommended tolerances:
ShaftF7
Bearing seatH8
Recommended shaft hardness: Hardened min 62 HRC, depth min 0,3mm
Shaft surface finish:Rz 0,8 – 1,2 sanded
Max static load<350 n/mm²
Max dynamic load<200 n/mm²
Friction coefficient0,1 – 0,25
Shaft hardnessMin 62 HRC
Max sliding velocity4 m/min
Material bushing: FE510 / S355J
Magnesium 1,2 – 1,5 %
Silicon 0,2 – 0,3 %
Carbon 0,16 – 0,20 %
Hardening: (+160°C)
Depth 0,6 – 0,8 mm
Surface hardness 58 – 62 HRC
Underlay mechanical durability 850 – 950 N/mm²
Structural tolerance on the bushing H8
Art.nr A B C
BGFR 20/30×20 30 20 20
BGFR 20/30×25 30 20 25
20/30×30 30 20 30
BGFR 20/30×35 30 20 35
BGFR 20/30×40 30 20 40
20/30×45 30 20 45
BGFR 20/30×50 30 20 50
BGFR 20/30×55 30 20 55
BGFR 20/30×60 30 20 60
BGFR 20/30×65 30 20 65
BGFR 25/35×30 35 25 30
BGFR 25/35×35 35 25 35
BGFR 25/35×40 35 25 40
BGFR 25/35×45 35 25 45
BGFR 25/35×50 35 25 50
BGFR 25/35×55 35 25 55
BGFR 25/35×60 35 25 60
BGFR 25/35×65 35 25 65
BGFR 25/35×70 35 25 70
BGFR 25/35×75 35 25 75
BGFR 25/35×80 35 25 80
BGFR 25/35×85 35 25 85
BGFR 25/35×90 35 25 90
BGFR 25/35×95 35 25 95
BGFR 25/35×100 35 25 100
BGFR 30/40×30 40 30 30
BGFR 30/40×35 40 30 35
BGFR 30/40×40 40 30 40
BGFR 30/40×45 40 30 45
BGFR 30/40×50 40 30 50
BGFR 30/40×55 40 30 55
BGFR 30/40×60 40 30 60
BGFR 30/40×65 40 30 65
BGFR 30/40×70 40 30 70
BGFR 30/40×75 40 30 75
BGFR 30/40×80 40 30 80
BGFR 30/40×85 40 30 85
BGFR 30/40×90 40 30 90
BGFR 30/40×95 40 30 95
BGFR 30/40×100 40 30 100
BGFR 35/45×30 45 35 30
BGFR 35/45×35 45 35 35
BGFR 35/45×40 45 35 40
BGFR 35/45×45 45 35 45
BGFR 35/45×50 45 35 50
BGFR 35/45×55 45 35 55
BGFR 35/45×60 45 35 60
BGFR 35/45×65 45 35 65
BGFR 35/45×70 45 35 70
BGFR 35/45×75 45 35 75
BGFR 35/45×80 45 35 80
BGFR 35/45×85 45 35 85
BGFR 35/45×90 45 35 90
BGFR 35/45×95 45 35 95
BGFR 35/45×100 45 35 100
BGFR 40/50×30 50 40 30
BGFR 40/50×35 50 40 35
BGFR 40/50×40 50 40 40
BGFR 40/50×45 50 40 45
BGFR 40/50×50 50 40 50
BGFR 40/50×55 50 40 55
BGFR 40/50×60 50 40 60
BGFR 40/50×65 50 40 65
BGFR 40/50×70 50 40 70
BGFR 40/50×75 50 40 75
BGFR 40/50×80 50 40 80
BGFR 40/50×85 50 40 85
BGFR 40/50×90 50 40 90
BGFR 40/50×95 50 40 95
BGFR 40/50×100 50 40 100
Art.nr A B C
BGFR 45/55×30 55 45 30
BGFR 45/55×35 55 45 35
BGFR 45/55×40 55 45 40
BGFR 45/55×45 55 45 45
BGFR 45/55×50 55 45 50
BGFR 45/55×55 55 45 55
BGFR 45/55×60 55 45 60
BGFR 45/55×65 55 45 65
BGFR 45/55×70 55 45 70
BGFR 45/55×75 55 45 75
BGFR 45/55×80 55 45 80
BGFR 45/55×85 55 45 85
BGFR 45/55×90 55 45 90
BGFR 45/55×95 55 45 95
BGFR 45/55×100 55 45 100
BGFR 50/60×30 60 50 30
BGFR 50/60×35 60 50 35
BGFR 50/60×40 60 50 40
BGFR 50/60×45 60 50 45
BGFR 50/60×50 60 50 50
BGFR 50/60×55 60 50 55
BGFR 50/60×60 60 50 60
BGFR 50/60×65 60 50 65
BGFR 50/60×70 60 50 70
BGFR 50/60×75 60 50 75
BGFR 50/60×80 60 50 80
BGFR 50/60×85 60 50 85
BGFR 50/60×90 60 50 90
BGFR 50/60×95 60 50 95
BGFR 50/60×100 60 50 100
BGFR 55/65×35 65 55 35
BGFR 55/65×40 65 55 40
BGFR 55/65×45 65 55 45
BGFR 55/65×50 65 55 50
BGFR 55/65×55 65 55 55
BGFR 55/65×60 65 55 60
BGFR 55/65×65 65 55 65
BGFR 55/65×70 65 55 70
BGFR 55/65×75 65 55 75
BGFR 55/65×80 65 55 80
BGFR 55/65×85 65 55 85
BGFR 55/65×90 65 55 90
BGFR 60/70×35 70 60 35
BGFR 60/70×40 70 60 40
BGFR 60/70×45 70 60 45
BGFR 60/70×50 70 60 50
BGFR 60/70×55 70 60 55
BGFR 60/70×60 70 60 60
BGFR 60/70×65 70 60 65
BGFR 60/70×70 70 60 70
BGFR 60/70×80 70 60 80
BGFR 60/70×90 70 60 90
BGFR 60/70×100 70 60 100
BGFR 65/75×35 75 65 35
BGFR 65/75×40 75 65 40
BGFR 65/75×45 75 65 45
BGFR 65/75×50 75 65 50
BGFR 65/75×55 75 65 55
BGFR 65/75×60 75 65 60
BGFR 65/75×65 75 65 65
BGFR 65/75×70 75 65 70
BGFR 65/75×80 75 65 80
BGFR 65/75×90 75 65 90
BGFR 65/75×100 75 65 100
BGFR 70/80×35 80 70 35
BGFR 70/80×40 80 70 40
BGFR 70/80×45 80 70 45
BGFR 70/80×50 80 70 50
BGFR 70/80×55 80 70 55
BGFR 70/80×60 80 70 60
Art.nr A B C
BGFR 70/80×65 80 70 65
BGFR 70/80×70 80 70 70
BGFR 70/80×80 80 70 80
BGFR 70/80×90 80 70 90
BGFR 70/80×100 80 70 100
BGFR 75/85×35 85 75 35
BGFR 75/85×40 85 75 40
BGFR 75/85×45 85 75 45
BGFR 75/85×50 85 75 50
BGFR 75/85×55 85 75 55
BGFR 75/85×60 85 75 60
BGFR 75/85×65 85 75 65
BGFR 75/85×70 85 75 70
BGFR 75/85×80 85 75 80
BGFR 75/85×90 85 75 90
BGFR 75/85×100 85 75 100
BGFR 80/90×35 90 80 35
BGFR 80/90×40 90 80 40
BGFR 80/90×45 90 80 45
BGFR 80/90×50 90 80 50
BGFR 80/90×55 90 80 55
BGFR 80/90×60 90 80 60
BGFR 80/90×65 90 80 65
BGFR 80/90×70 90 80 70
BGFR 80/90×80 90 80 80
BGFR 80/90×90 90 80 90
BGFR 80/90×100 90 80 100
BGFR 85/95×35 95 85 35
BGFR 85/95×40 95 85 40
BGFR 85/95×45 95 85 45
BGFR 85/95×50 95 85 50
BGFR 85/95×55 95 85 55
BGFR 85/95×60 95 85 60
BGFR 85/95×65 95 85 65
BGFR 85/95×70 95 85 70
BGFR 85/95×80 95 85 80
BGFR 85/95×90 95 85 90
BGFR 85/95×100 95 85 100
BGFR 90/100×35 100 90 35
BGFR 90/100×40 100 90 40
BGFR 90/100×45 100 90 45
BGFR 90/100×50 100 90 50
BGFR 90/100×55 100 90 55
BGFR 90/100×60 100 90 60
BGFR 90/100×65 100 90 65
BGFR 90/100×70 100 90 70
BGFR 90/100×80 100 90 80
BGFR 90/100×90 100 90 90
BGFR 90/100×100 100 90 100

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