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SELF-LUBRICATING FLANGED BEARINGS
ISO STANDARD SIZES
SIMILAR TO DIN 1850V

Flanged bushings-BP25 Bronze base
Inside mm (1) tolerance Outside mm (2) tolerance Flange Outside mm (3) Flange Thickness mm (e) Bearing Length (L) Inside mm (1) tolerance Outside mm (2) tolerance Flange Outside mm (3) Flange Thickness mm (e) Bearing Length (L)
C3 +20 + 6 6 +37 +19 9 1,5 4-6-10 C20 +53 +20 26 +68 +35 32 3 16-20-25-32
C4 +28 +10 8 +45 +23 12 2 4-8-12 C22 +53 +20 27 +68 +35 32 2,5 18-22-28
C6 +28 +10 10 +45 +23 14 2 6-10-16 C22 +53 +20 28 +68 +35 34 3 15-20-25-30
C8 +35 +13 12 +55 +28 16 2 8-12-16 C22 +53 +20 29 +68 +35 36 3,5 18-22-28-36
C9 +35 +13 14 +55 +28 19 2,5 6-10-14 C25 +53 +20 30 +68 +35 35 2,5 20-25-32
C10 +35 +13 13 +55 +28 16 1,5 10-16-20 C25 +53 +20 32 +82 +43 39 3,5 20-25-32
C10 +35 +13 15 +55 +28 20 2,5 10-16-20 C28 +53 +20 33 +82 +43 38 2,5 22-28-36
C10 +35 +13 16 +55 +28 22 3 8-10-16 C28 +53 +20 36 +82 +43 44 4 22-28-36
C12 +43 +16 15 +55 +28 18 1,5 12-16-20 C30 +53 +20 38 +82 +43 46 4 20-25-30
C12 +43 +16 17 +55 +28 22 2,5 12-16-20-25 C32 +64 +25 38 +82 +43 44 3 20-25-32
C12 +43 +16 18 +55 +28 24 3 8-12-20 C32 +64 +25 40 +82 +43 48 4 20-25-30-32
C14 +43 +16 18 +55 +28 22 2 14-18-22 C36 +64 +25 42 +82 +43 48 3 22-28-36
C14 +43 +16 20 +68 +35 26 3 14-18-22 C36 +64 +25 45 +82 +43 54 4,5 22-28-36
C14 +43 +16 20 +68 +35 26 3 14-18-22-28 C40 +64 +25 46 +82 +43 52 3 25-32-40
C15 +43 +16 19 +68 +35 23 2 16-20-25 C40 +64 +25 50 +82 +43 60 5 25-32-40
C15 +43 +16 21 +68 +35 27 3 16-20-25-32 C45 +64 +25 51 +99 +53 57 3 28-36-45
C16 +43 +16 22 +68 +35 28 3 16-20-25-32 C45 +64 +25 56 +99 +53 67 5,5 28-36-45
C18 +43 +16 22 +68 +35 26 2 18-22-28 C50 +64 +25 56 +99 +53 62 3 32-40-50
C18 +43 +16 24 +68 +35 30 3 18-22-28 C50 +64 +25 60 +99 +53 70 5 32-40-50
C20 +53 +20 24 +68 +35 28 2 16-20-25 C60 +76 +30 70 +105 +59 80 5 50-60
Tolerance in microns
Flanged bushings-FP20 iron alloy base
Inside mm (1) tolerance Outside mm (2) tolerance Flange Outside mm (3) Flange Thickness mm (e) Bearing Length (L) Inside mm (1) tolerance Outside mm (2) tolerance Flange Outside mm (3) Flange Thickness mm (e) Bearing Length (L)
C3 +20+ 6 6 +37+19 9 1,5 4 C20 +53+20 24 +68+35 28 2 16-20-25
C6 +28+10 10 +45+23 14 2 6-10-16 C20 +53+20 26 +68+35 32 3 16-20-25
C8 +35+13 12 +55+28 16 2 8-12-16 C22 +53+20 29 +68+35 36 3,5 18-22-28-36
C10 +35+13 15 +55+28 20 2,5 10-16-20 C25 +53+20 30 +68+35 35 2,5 20-32
C12 +43+16 15 +55+28 18 1,5 12-16-20 C25 +53+20 32 +82+43 39 3,5 25-32
C12 +43+16 17 +55+28 22 2,5 12-16 C30 +53+20 38 +82+43 46 4 30
C14 +43+16 18 +55+28 22 2 14-18-22 C32 +64+25 40 +82+43 48 4 20-32
C16 +43+16 20 +68+35 24 2 16-20 C36 +64+25 45 +82+43 54 4,5 22-36
C16 +43+16 22 +68+35 28 3 16-20-25 C40 +64+25 50 +82+43 60 5 25-32-40
C18 +43+16 24 +68+35 30 3 18-22 C50 +64+25 60 +99+53 70 5 50
C60 +76+30 70 +105+59 80 5 60
Tolerance in microns

Bearings before assembling Concentricity tolerance 1 2
Inside - 1 Tolerance F7 Distance from max, readings for one complete lap of the bearing fitted on a mandrel.
(F8 for 1>50mm) Inside ≤ 20 Tolerance 50μm
Outside - 2 Tolerance s7 Inside 20 < a ≤ 35 Tolerance 70μm
(s8 for 1>50mm) Inside > 35 Tolerance 100μm
Lenght - L>10 Tolerance 1%
Lenght - L≤10 Tolerance 0,10 mm

Designation
Flange bearing I/D 22 -O/D 29 - L 36 is designated by :
- It METAFRAM Grade BP25 (or FP20)
- It dimensions 22/29x36

OIL IMPREGNATED BRONZE BEARINGS Page Index
Introduction: OIL IMPREGNATED BRONZE* BEARINGS - SELF-LUBRICATING (oil-lite style)
SELF-LUBRICATING CYLINDRICAL BEARINGS - ISO STANDARD SIZES SIMILAR TO DIN 1850J
SELF-LUBRICATING FLANGED BEARINGS - ISO STANDARD SIZES SIMILAR TO DIN 1850V
OIL IMPREGNATED BRONZE BEARINGS - SELF-LUBRICATING STANDARD CORED ROUND BARS & SOLID ROUND BARS

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