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Long Centered Circular Flange Linear Bearing KBFC-L
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ISUTAMI BEARINGS

Long Centered Circular Flange Linear Bearing KBFC-L

Long Centered Circular Flange Linear Bearing KBFC-L
ISUTAMI KBFC-L long centered circular flange linear bearing, also known as KBFC-L long centered circular flange linear ball bearing or KBFC-L long centered circular flange linear bushing bearing. KB is the code name of the European standard series in linear bearings, F is the meaning of circular flange, C is the abbreviation of centered, L is the abbreviation of Long. It is suitable for the EU markets of metric units such as Germany and France.

The material of KBFC-L long centered circular flange linear bearing bushing and steel balls is high carbon bearing steel. The ball retainer is made of metal steel, stainless steel or POM material, and the sealing ring (usually shown by U Or P) is made of NBR material. The ball retainer is mounted inside the bushing with the steel balls and sealed with a retaining ring from one side or both sides of the bushing.
Long Centered Circular Flange Linear Bearing KBFC-L
ISUTAMI KBFC-L long centered circular flange linear bearing, also known as KBFC-L long centered circular flange linear ball bearing or KBFC-L long centered circular flange linear bushing bearing. KB is the code name of the European standard series in linear bearings, F is the meaning of circular flange, C is the abbreviation of centered, L is the abbreviation of Long. It is suitable for the EU markets of metric units such as Germany and France.

The material of KBFC-L long centered circular flange linear bearing bushing and steel balls is high carbon bearing steel. The ball retainer is made of metal steel, stainless steel or POM material, and the sealing ring (usually shown by U Or P) is made of NBR material. The ball retainer is mounted inside the bushing with the steel balls and sealed with a retaining ring from one side or both sides of the bushing.

Long Centered Circular Flange Linear Bearing KBFC-L Size Chart

Long Centered Circular Flange Linear Bearing KBFC-L

Bearing No. Number
of Ball
Rows
Main Dimensions Squa-
Reness
Eccen-
(Max.)
Basic Load Rating Weight(Kg)
Inscribed Circle Outer Diameter Length l Flange Hole For Attachment DYNAMIC
Cr(kgf)
STATIC
Co(kgf)
dr Tolerance D Tolerance L Tolerance D1 K H Φ d1 d2 h
KBFC8L 4 8 +0.009
-0.001
16 0
-0.009
46 ±0.30 20.5 32 25 5 24 3.5 6 3.1 0.015 0.015 43 82 0.052
KBFC12L 4 12 22 0
-0.011
61 0
-0.3
27.5 42 32 6 32 4.5 7.5 4.1 83 160 0.177
KBFC16L 5 16 +0.011
-0.001
26 68 31 46 35 6 36 4.5 7.5 4.1 94 182 0.146
KBFC20L 5 20 32 0
-0.013
80 36 54 42 8 43 5.5 9 5.1 0.017 0.017 140 280 0.248
KBFC25L 6 25 +0.013
-0.002
40 112 0
-0.4
52 62 50 8 51 5.5 9 5.1 160 320 0.570
KBFC30L 6 30 47 123 56.5 76 60 10 62 6.6 11 6.1 225 560 0.782
KBFC40L 6 40 +0.016
-0.004
62 0
-0.015
151 69 98 75 13 80 9 14 8.1 0.020 0.020 350 820 1.700
KBFC50L 6 50 75 192 89.5 112 88 13 94 9 14 8.1 620 1622 3.479
KBFC60L 6 60 90 0
-0.020
209 95.5 134 106 18 112 11 17.5 10.8 0.025 0.025 770 2040 4.336

Long Centered Circular Flange Linear Bearing KBFC-L Features

The outer sleeve surface of KBFC-L long centered circular flange linear bearing is complete, the bushing is perfectly combined with the flange, the outer surface of the bushing has no outer stop groove, and the annular flange is in the middle of the bushing. The flange part is evenly distributed with four circular connecting holes for fixing the entire bearing. The number of ball rows of KBFC-L European series linear bearings supplied by ISUTAMI varies according to the bearing size, and ranges from 4 to 6. Inner diameter (dr) range and tolerance, outer diameter (D) range and tolerance, length (L) range and tolerance, maximum radial eccentricity, basic dynamic load rating (C) range, basic static load rating (Co) range, etc., are all basically the same as KB-L long linear bearing, KBF-L long circular flange linear bearing, KBK-L long square flange linear bearing, KBKC-L long centered square flange linear bearing. The specific parameters are shown in the table.

In addition, the annular flange diameter (D1) of KBFC-L long centered circular flange linear bearing is larger than the diameter (D) of the bushing, ranging from 32mm to 134 mm; the height (H) of the flange is 5-18mm, this data is basically the same as KBK square flange linear bearing, KBF circular flange linear bearing.

KBFC-L long centered circular flange linear bearing has a flange in the middle of bushing, and the length of the linear bushing on both sides of the flange is the same. The flange is matched with the corresponding model parts to make the shaft positioning simple, and it does not need to be fixed in the matching bearing housing like the blue linear bearing, so it becomes very economical and reduces the overall weight of the linear bearing assembly.

The basic static load rating of KBFC-L long centered circular flange linear bearing is greater than the basic dynamic load rating, and as the size increases, this value difference continues to expand, even close to 3 times.

The movement principle of KBFC-L long centered circular flange linear bearing is rolling friction. The point contact between the bearing and the cylindrical shaft through the steel balls, and the balls rotate with very small frictional resistance, so that high-precision smooth motion can be obtained. It is suitable for low load and high speed movement.

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