Bearing unit UCHA type
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Introduction of bearing unit
Cast-iron housing units serve as elements of the so called bearing units. These units are formed together with all kinds of insert ball bearings. Housing units can be divided into three types: P, F and T. P-type housings have fixing bores pointing out at right angle to the shaft axis, and they are commonly called “standing” housing units, whereas in the PA-version bores are made in the housing itself and in the A-type they are located in the housing’s flanges. The fixing bores of F-type housing units are arranged parallel to the shaft axis. Square-shaped F-type has four bores, FL-type shaped as an extended ellipse has two fixing bores and the circular FC-type housing unit has four fixing bores. The most specific features has the T-type housing unit, called a tension-fixing housing.
Structure Diagram Of Bearing Unit UCHA

Model list and dimensions of bearing unit UCHA
Bearing Number | Dimensions (mm) | Bearing No. | Housing No. | Weight | |||||||||
d | h | w | b | c | a | s | l | B | n | (kg) | |||
UCHA201 | 12 | 64 | 96 | 64 | 0 | 40 | G3/4 | 19 | 31 | 12.7 | UC201 | HA201 | 0.73 |
UCHA201-8 | 12 | 64 | 96 | 64 | 0 | 40 | G3/4 | 19 | 31 | 12.7 | UC201-8 | HA201 | 0.72 |
UCHA202 | 15 | 64 | 96 | 64 | 0 | 40 | G3/4 | 19 | 31 | 12.7 | UC202 | HA202 | 0.72 |
UCHA202-9 | 15 | 64 | 96 | 64 | 0 | 40 | G3/4 | 19 | 31 | 12.7 | UC202-9 | HA202 | 0.71 |
UCHA202-10 | 15 | 64 | 96 | 64 | 0 | 40 | G3/4 | 19 | 31 | 12.7 | UC202-10 | HA202 | 071 |
UCHA203 | 17 | 64 | 96 | 64 | 0 | 40 | G3/4 | 19 | 31 | 12.7 | UC203 | HA203 | 0.71 |
UCHA203-11 | 17 | 64 | 96 | 64 | 0 | 40 | G3/4 | 19 | 31 | 12.7 | UC203-11 | HA203 | 0.70 |
UCHA204 | 20 | 64 | 96 | 64 | 0 | 40 | G3/4 | 19 | 31 | 12.7 | UC204 | HA204 | 0.69 |
UCHA204-12 | 20 | 64 | 96 | 64 | 0 | 40 | G3/4 | 19 | 31 | 12.7 | UC204-12 | HA204 | 0.69 |
UCHA205 | 25 | 64 | 103 | 78 | 0 | 40 | G3/4 | 19 | 34.1 | 14.3 | UC205 | HA205 | 0.83 |
UCHA205-13 | 25 | 64 | 103 | 78 | 0 | 40 | G3/4 | 19 | 34.1 | 14.3 | UC205-13 | HA205 | 0.87 |
UCHA205-14 | 25 | 64 | 103 | 78 | 0 | 40 | G3/4 | 19 | 34.1 | 14.3 | UC205-14 | HA205 | 0.86 |
UCHA205-15 | 25 | 64 | 103 | 78 | 0 | 40 | G3/4 | 19 | 34.1 | 14.3 | UC205-15 | HA205 | 0.84 |
UCHA205-16 | 25 | 64 | 103 | 78 | 0 | 40 | G3/4 | 19 | 34.1 | 14.3 | UC205-16 | HA205 | 0.83 |
UCHA206 | 30 | 64 | 103 | 78 | 0 | 40 | G3/4 | 19 | 38.1 | 15.9 | UC206 | HA206 | 0.90 |
UCHA206-17 | 30 | 64 | 103 | 78 | 0 | 40 | G3/4 | 19 | 38.1 | 15.9 | UC206-17 | HA206 | 0.91 |
UCHA206-18 | 30 | 64 | 103 | 78 | 0 | 40 | G3/4 | 19 | 38.1 | 15.9 | UC206-18 | HA206 | 0.92 |
UCHA206-19 | 30 | 64 | 103 | 78 | 0 | 40 | G3/4 | 19 | 38.1 | 15.9 | UC206-19 | HA206 | 0.90 |
UCHA206-20 | 30 | 64 | 103 | 78 | 0 | 40 | G3/4 | 19 | 38.1 | 15.9 | UC206-20 | HA206 | 0.89 |
UCHA207 | 35 | 70 | 116 | 92 | 0 | 40 | G3/4 | 19 | 42.9 | 17.5 | UC207 | HA207 | 1.16 |
UCHA207-20 | 35 | 70 | 116 | 92 | 0 | 40 | G3/4 | 19 | 42.9 | 17.5 | UC207-20 | HA207 | 1.22 |
UCHA207-21 | 35 | 70 | 116 | 92 | 0 | 40 | G3/4 | 19 | 42.9 | 17.5 | UC207-21 | HA207 | 1.19 |
UCHA207-22 | 35 | 70 | 116 | 92 | 0 | 40 | G3/4 | 19 | 42.9 | 17.5 | UC207-22 | HA207 | 1.16 |
UCHA207-23 | 35 | 70 | 116 | 92 | 0 | 40 | G3/4 | 19 | 42.9 | 17.5 | UC207-23 | HA207 | 1.13 |
UCHA208 | 40 | 73 | 121 | 96 | 0 | 40 | G3/4 | 19 | 49.2 | 19 | UC208 | HA208 | 1.32 |
UCHA208-24 | 41 | 73 | 121 | 96 | 0 | 40 | G3/4 | 19 | 49.2 | 19 | UC208-24 | HA208 | 1.36 |
UCHA208-25 | 42 | 73 | 121 | 96 | 0 | 40 | G3/4 | 19 | 49.2 | 19 | UC208-25 | HA208 | 1.33 |
UCHA209 | 45 | 82 | 136 | 108 | 0 | 48 | G1 | 21 | 49.2 | 19 | UC209 | HA209 | 1.92 |
UCHA209-26 | 45 | 82 | 136 | 108 | 0 | 48 | G1 | 21 | 49.2 | 19 | UC209-26 | HA209 | 2.02 |
UCHA209-27 | 45 | 82 | 136 | 108 | 0 | 48 | G1 | 21 | 49.2 | 19 | UC209-27 | HA209 | 1.98 |
UCHA209-28 | 45 | 82 | 136 | 108 | 0 | 48 | G1 | 21 | 49.2 | 19 | UC209-28 | HA209 | 1.94 |
UCHA210 | 50 | 83 | 142 | 118 | 5 | 48 | G1 | 21 | 51.6 | 19 | UC210 | HA210 | 1.90 |
UCHA210-29 | 50 | 83 | 142 | 118 | 5 | 48 | G1 | 21 | 51.6 | 19 | UC210-29 | HA210 | 2.02 |
UCHA210-30 | 50 | 83 | 142 | 118 | 5 | 48 | G1 | 21 | 51.6 | 19 | UC210-30 | HA210 | 1.97 |
UCHA210-31 | 50 | 83 | 142 | 118 | 5 | 48 | G1 | 21 | 51.6 | 19 | UC210-31 | HA210 | 1.92 |
UCHA210-32 | 50 | 83 | 142 | 118 | 5 | 48 | G1 | 21 | 51.6 | 19 | UC210-32 | HA210 | 1.88 |
UCHA211 | 55 | 87 | 150 | 126 | 7 | 60 | G1-1/4 | 25 | 55.6 | 22.2 | UC211 | HA211 | 2.61 |
UCHA211-32 | 55 | 87 | 150 | 126 | 7 | 60 | G1-1/4 | 25 | 55.6 | 22.2 | UC211-32 | HA211 | 2.76 |
UCHA211-33 | 55 | 87 | 150 | 126 | 7 | 60 | G1-1/4 | 25 | 55.6 | 22.2 | UC211-33 | HA211 | 270 |
UCHA211-34 | 55 | 87 | 150 | 126 | 7 | 60 | G1-1/4 | 25 | 55.6 | 22.2 | UC211-34 | HA211 | 2.65 |
UCHA211-35 | 55 | 87 | 150 | 126 | 7 | 60 | G1-1/4 | 25 | 55.6 | 22.2 | UC211-35 | HA211 | 2.59 |
UCHA212 | 60 | 102 | 173 | 142 | 9 | 60 | G1-1/4 | 28 | 65.1 | 25.4 | UC212 | HA212 | 3.54 |
UCHA212-36 | 60 | 102 | 173 | 142 | 9 | 60 | G1-1/4 | 28 | 65.1 | 25.4 | UC212-36 | HA212 | 3.67 |
UCHA212-37 | 60 | 102 | 173 | 142 | 9 | 60 | G1-1/4 | 28 | 65.1 | 25.4 | UC212-37 | HA212 | 3.59 |
UCHA212-38 | 60 | 102 | 173 | 142 | 9 | 60 | G1-1/4 | 28 | 65.1 | 25.4 | UC212-38 | HA212 | 3.52 |
UCHA212-39 | 60 | 102 | 173 | 142 | 9 | 60 | G1-1/4 | 28 | 65.1 | 25.4 | UC212-39 | HA212 | 3.45 |
UCHA213 | 65 | 117 | 200 | 166 | 9.5 | 70 | G1-1/4 | 32 | 65.1 | 25.4 | UC213 | HA213 | 5.80 |
UCHA213-40 | 65 | 117 | 200 | 166 | 9.5 | 70 | G1-1/4 | 32 | 65.1 | 25.4 | UC213-40 | HA213 | 5.89 |
UCHA213-41 | 65 | 117 | 200 | 166 | 9.5 | 70 | G1-1/4 | 32 | 65.1 | 25.4 | UC213-41 | HA213 | 5.8 |