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4 bolt Square Flange Units
These bearing units are designed to fix at the sides of the machine which are vertical to the center of the shafts by means of 4 bolts. The mounting method is widely used in the machines. The setscrews, the eccentric locking collar and the adapter sleeve bearings have the same mounting method as the P housings do.
![Distributor High Rigidity UCF203 Mounted Bearing Unit for Industry](//www.micstatic.com/athena/img/transparent.png)
Factory warranted |
-Granville can offers an array of tools for efficientofferthey maintenance. -We also offer reliability systems and services to help maintenance. -Personnel maximize operating performance and detect equipment. -Dealing with problems before they become critical. |
General Overview /Brand: TANN |
Mounted Beating Units |
Housing Material Available |
-casting iron -ductile iron -stainless steel -plastic |
Structure |
-consist of a housing, bearing, and seal -pre-assembled and greased at the factory -with set screw |
Features |
-high speed rotation -high rigidity -reliably sealing -low noise -low vibration -easy disassembly |
Applications |
-food&beverage processing&packaging machinery -conveyor systems -material handling systems -textile equipment -industrial fans -special machinery |
UCF203 |
17 |
86 |
64 |
25.5 |
12 |
25.5 |
12 |
33.3 |
37.5 |
31 |
12.7 |
M10 |
UC203 |
F203 |
0.58 |
UCF203-11 |
11/16 |
3-3/8 |
2-33/64 |
1 |
15/32 |
1 |
15/32 |
1-5/16 |
1-31/64 |
1.2205 |
0.5 |
3/8 |
UC203-11 |
0.57 |
>>Click to the corresponding page
Unit No. |
Dimensions (mm / inch) |
Bolt Size mm inch |
Bearing No. |
Housing No. |
Weight (kg) |
d |
a |
e |
i |
g |
i |
s |
z |
t |
B |
n |
UCF201 |
12 |
86 |
64 |
25.5 |
12 |
25.5 |
12 |
33.3 |
37.5 |
31 |
12.7 |
M10 |
UC201 |
F203 |
0.60 |
UCF201-8 |
1/2 |
3-3/8 |
2-33/64 |
1 |
15/32 |
1 |
15/32 |
1-5/16 |
1-31/64 |
1.2205 |
0.5 |
3/8 |
UC201-8 |
0.59 |
UCF202 |
15 |
86 |
64 |
25.5 |
12 |
25.5 |
12 |
33.3 |
37.5 |
31 |
12.7 |
M10 |
UC202 |
F203 |
0.59 |
UCF202-9 |
9/16 |
3-3/8 |
2-33/64 |
1 |
15/32 |
1 |
15/32 |
1-5/16 |
1-31/64 |
1.2205 |
0.5 |
3/8 |
UC202-9 |
0.59 |
UCF202-10 |
5/8 |
UC202-10 |
0.59 |
UCF203 |
17 |
86 |
64 |
25.5 |
12 |
25.5 |
12 |
33.3 |
37.5 |
31 |
12.7 |
M10 |
UC203 |
F203 |
0.58 |
UCF203-11 |
11/16 |
3-3/8 |
2-33/64 |
1 |
15/32 |
1 |
15/32 |
1-5/16 |
1-31/64 |
1.2205 |
0.5 |
3/8 |
UC203-11 |
0.57 |
UCF204 |
20 |
86 |
64 |
25.5 |
12 |
25.5 |
12 |
33.3 |
37.5 |
31 |
12.7 |
M10 |
UC204 |
F204 |
0.56 |
UCF204-12 |
3/4 |
3-3/8 |
2-33/64 |
1 |
15/32 |
1 |
15/32 |
1-5/16 |
1-31/64 |
1.2205 |
0.5 |
3/8 |
UC204-12 |
0.56 |
UCF205 |
25 |
95 |
70 |
27 |
14 |
27 |
12 |
35.8 |
40 |
34.1 |
14.3 |
M10 |
UC205 |
F205 |
0.80 |
UCF205-13 |
13/16 |
3-3/4 |
2-3/4 |
1-1/16 |
35/64 |
1-1/16 |
15/32 |
1-13/32 |
37150 |
1.3425 |
0.563 |
3/8 |
UC205-13 |
0.84 |
UCF205-14 |
7/8 |
UC205-14 |
0.83 |
UCF205-15 |
15/16 |
UC205-15 |
0.81 |
UCF205-16 |
1 |
UC205-16 |
0.80 |
UCF206 |
30 |
108 |
83 |
31 |
14 |
31 |
12 |
40.2 |
44.5 |
38.1 |
15.9 |
M10 |
UC206 |
F206 |
1.12 |
UCF206-17 |
1-1/16 |
4-1/4 |
3-17/64 |
1-7/32 |
35/64 |
1-7/32 |
15/32 |
1-19/32 |
36954 |
1.5 |
0.626 |
3/8 |
UC206-17 |
1.15 |
UCF206-18 |
1-1/8 |
UC206-18 |
1.14 |
UCF206-19 |
1-3/16 |
UC206-19 |
1.12 |
UCF206-20 |
1-1/4 |
UC206-20 |
1.11 |
UCF207 |
35 |
117 |
92 |
34 |
16 |
34 |
14 |
44.4 |
48.5 |
42.9 |
17.5 |
M12 |
UC207 |
F207 |
1.46 |
UCF207-20 |
1-1/4 |
4-39/64 |
3-5/8 |
1-11/32 |
5/8 |
1-11/32 |
35/64 |
1-3/4 |
1-29/32 |
1.689 |
0.689 |
7/16 |
UC207-20 |
1.52 |
UCF207-21 |
1-5/16 |
UC207-21 |
1.49 |
UCF207-22 |
1-3/8 |
UC207-22 |
1.46 |
UCF207-23 |
1-7/16 |
UC207-23 |
1.43 |
UCF208 |
40 |
130 |
102 |
36 |
16 |
36 |
16 |
51.2 |
55.5 |
49.2 |
19 |
M14 |
UC208 |
F208 |
1.84 |
UCF208-24 |
1-1/2 |
5-1/8 |
4-1/64 |
1-27/64 |
5/8 |
1-27/64 |
5/8 |
2-1/64 |
37331 |
1.937 |
0.748 |
1/2 |
UC208-24 |
1.88 |
UCF208-25 |
1-9/16 |
UC208-25 |
1.85 |
UCF209 |
45 |
137 |
105 |
38 |
18 |
38 |
16 |
52.2 |
56.5 |
49.2 |
19 |
M14 |
UC209 |
F209 |
2.15 |
UCF209-26 |
1-5/8 |
5-13/32 |
4-9/64 |
1-1/2 |
23/32 |
1-1/2 |
5/8 |
2-1/16 |
2-7/32 |
1.937 |
0.748 |
1/2 |
UC209-26 |
2.25 |
UCF209-27 |
1-11/16 |
UC209-27 |
2.21 |
UCF209-28 |
1-3/4 |
UC209-28 |
2.17 |
UCF210 |
50 |
143 |
111 |
40 |
18 |
40 |
16 |
54.6 |
59.5 |
51.6 |
19 |
M14 |
UC210 |
F210 |
2.42 |
UCF210-29 |
1-13/16 |
5-5/8 |
4-3/8 |
1-9/16 |
23/32 |
1-9/16 |
5/8 |
2-5/32 |
2-11/32 |
2.0315 |
0.748 |
1/2 |
UC210-29 |
2.54 |
UCF210-30 |
1-7/8 |
UC210-30 |
2.49 |
UCF210-31 |
1-15/16 |
UC210-31 |
2.44 |
UCF210-32 |
2 |
UC210-32 |
2.40 |
UCF211 |
55 |
162 |
130 |
43 |
20 |
43 |
19 |
58.4 |
63 |
55.6 |
22.2 |
M16 |
UC211 |
F211 |
3.31 |
UCF211-32 |
2 |
6-3/8 |
5-1/8 |
1-11/16 |
25/32 |
1-11/16 |
3/4 |
2-5/16 |
2-31/64 |
2.189 |
0.874 |
5/8 |
UC211-32 |
3.46 |
UCF211-33 |
2-1/16 |
UC211-33 |
3.40 |
UCF211-34 |
2-1/8 |
UC211-34 |
3.35 |
UCF211-35 |
2-3/16 |
UC211-35 |
3.29 |
UCF212 |
60 |
175 |
143 |
48 |
20 |
48 |
19 |
68.7 |
73.5 |
65.1 |
25.4 |
M16 |
UC212 |
F212 |
4.28 |
UCF212-36 |
2-1/4 |
6-57/64 |
5-5/8 |
1-57/64 |
25/32 |
1-57/64 |
3/4 |
2-45/64 |
2-57/64 |
2.563 |
1 |
5/8 |
UC212-36 |
4.41 |
UCF212-37 |
2-5/16 |
UC212-37 |
4.33 |
UCF212-38 |
2-3/8 |
UC212-38 |
4.26 |
UCF212-39 |
2-7/16 |
UC212-39 |
4.19 |
UCF213 |
65 |
187 |
149 |
50 |
22 |
50 |
19 |
69.7 |
74.5 |
65.1 |
25.4 |
M16 |
UC213 |
F213 |
4.99 |
UCF213-40 |
2-1/2 |
7-23/64 |
5-55/64 |
1-31/32 |
55/64 |
1-31/32 |
3/4 |
2-3/4 |
2-15/16 |
2.563 |
1 |
5/8 |
UC213-40 |
5.08 |
UCF213-41 |
2-9/16 |
UC213-41 |
4.99 |
UCF214 |
70 |
193 |
152 |
54 |
22 |
54 |
19 |
75.4 |
81.5 |
74.6 |
30.2 |
M16 |
UC214 |
F214 |
5.85 |
UCF214-42 |
2-5/8 |
7-19/32 |
5-63/64 |
2-1/8 |
55/64 |
2-1/8 |
3/4 |
2-31/32 |
3-13/64 |
2.937 |
1.189 |
5/8 |
UC214-42 |
6.06 |
UCF214-43 |
2-11/16 |
UC214-43 |
5.96 |
UCF214-44 |
2-3/4 |
UC214-44 |
5.86 |
UCF215 |
75 |
200 |
159 |
56 |
22 |
56 |
19 |
78.5 |
83.5 |
77.8 |
33.3 |
M16 |
UC215 |
F215 |
6.91 |
UCF215-45 |
2-13/16 |
7-7/8 |
6-17/64 |
2-7/32 |
55/64 |
2-7/32 |
3/4 |
3-3/32 |
3-9/32 |
3.063 |
1.311 |
5/8 |
UC215-45 |
7.16 |
UCF215-46 |
2-7/8 |
UC215-46 |
7.05 |
UCF215-47 |
2-15/16 |
UC215-47 |
6.94 |
UCF215-48 |
3 |
UC215-48 |
6.82 |
UCF216 |
80 |
208 |
165 |
58 |
22 |
58 |
23 |
83.3 |
88.5 |
82.6 |
33.3 |
M20 |
UC216 |
F216 |
7.50 |
UCF216-49 |
3-1/16 |
8-3/16 |
6-1/2 |
2-9/32 |
55/64 |
2-9/32 |
29/32 |
3-9/32 |
3-31/64 |
3.252 |
1.311 |
3/4 |
UC216-49 |
7.68 |
UCF216-50 |
3-1/8 |
UC21S-50 |
7.55 |
UCF216-51 |
3-3/16 |
UC216-51 |
7.42 |
UCF217 |
85 |
220 |
175 |
63 |
24 |
63 |
23 |
87.6 |
92.6 |
85.7 |
34.1 |
M20 |
UC217 |
F217 |
9.66 |
UCF217-52 |
3-1/4 |
8-21/23 |
6-57/64 |
2-15/32 |
15/16 |
2-15/32 |
29/32 |
3-7/16 |
3-41/64 |
3.374 |
1.343 |
3/4 |
UC217-52 |
9.88 |
UCF217-53 |
3-5/16 |
UC217-53 |
9.74 |
UCF217-55 |
3-7/16 |
UC217-55 |
9.45 |
UCF218 |
90 |
235 |
187 |
68 |
24 |
68 |
23 |
96.3 |
101.5 |
96 |
39.7 |
M20 |
UC218 |
F218 |
12.06 |
UCF218-56 |
3-1/2 |
9-1/4 |
7-23/64 |
2-11/16 |
15/16 |
2-11/16 |
29/32 |
3-25/32 |
4 |
3.7795 |
1.563 |
3/4 |
UC218-56 |
12.17 |
Construction |
The TANN mounted bearing unit is a bearing unit that combines the spherical outside surface ball bearing, seal, and housing of high-grade cast iron or pressed steel. It features a variety of structure patterns, & is suitable for application under tough conditions. |
The outer surface of the bearing and the internal surface of the housing are spherical so that the unit is self-aligning. Set-screw locking is the most popular method of mounting to the shaft. Adapter sleeve and eccentric locking collar are also available. For service under more severe operating conditions, Bearing units with cast iron covers and pressed steel covers and or in plastic are available as standard types. |
The covers are constructed in such a way as to guarantee even eventual substitution of rubber seals with commonly felt rings. There are also closed covers used in applications where the shaft does not pass. |
The outside diameter of the self-contained bearing's ground is spherical to match the corresponding spherical inside diameter of the housing providing self-alignment between these two parts, which compensates for misalignments of the units re- resulting from errors in mounting and distortion of the foundation. |
Features of Bearing Units |
TANN bearing units are easy to mount widely used in transportation machinery, mines, metallurgy, reaper, textile machinery, bodybuilding equipment, motors, chain belts, chain wheels, and automobiles, etc. The insert bearings correspond to 62 series deep groove ball bearing, it is with the same structure, but has wider inner rings. The bearing insert is well protected and can compensate for alignment defects thanks to its spherical outer ring. If necessary it can be replaced very easily. The cast iron housing has a grease nipple for re-lubrication. |
Rational self-alignment |
Larger load carrying capacity, relubricable, longer service life of the units |
Efficient, sealing ability of the units with covers is perfect |
Solid housing, provide maximum rigidity against deformation for any condition |
Easy and positive locking to shaft |
Special heat-treatment on bearing inner ring prevent causing cracking |
Unique device to prevent bearing outer ring rotation |
Complete interchangeability between bearing and housing |
Easy installation |
Easy positioning for mounting |
Materials |
The performance and reliability of rolling bearings are greatly affected by the materials which the bearing components are made from TANN bearing rings and balls are made of high quality of Gcr15 (100cr6) - type of bearing steel and the chemical composition is shown as below. |
Chemical composition of high-carbon chrome bearing steel: |
Standard steel material |
|
C |
Si |
Mn |
Cr |
Mo |
P |
S |
DIN |
100Cr6 |
0.95~1.05 |
0.15~0.35 |
0.25~0.45 |
1.40~1.65 |
|
≤0.030 |
≤0.025 |
JIS |
SUJ2 |
0.95~1.10 |
0.15~0.35 |
≤0.50 |
1.30~1.60 |
|
≤0.025 |
≤0.025 |
GB/T |
Gcr15 |
0.95~1.05 |
0.15~0.35 |
0.25~0.45 |
1.40~1.65 |
≤0.08 |
≤0.025 |
≤0.025 |
ASTM |
52100 |
0.98~1.10 |
0.15~0.35 |
≤0.50 |
1.30~1.60 |
|
≤0.025 |
≤0.025 |
Most of ball-bearing cages are made of cold-rolled steel sheet. And for some bearing types and special applications, cages are made of glass fiber reinforced nylon 66 plastic, phenolic or machined brass. |
The material of bearing housings is gray or ductile cast iron, housings can also be made of pressed steel, stainless steel, or engineering plastic for special purposes, depending on application and or customer's requirement. |
Mechanical properties of housing material: |
Class |
Thickness |
Diameter |
Tensile strenght |
Bender |
Deflection |
Pressure |
Hardness |
mm |
mm |
kgf/mm² |
kgf/mm² |
mm |
kgf/mm² |
HB |
HT200 |
< 06-80 |
13 |
< 32 |
53 |
1.8 |
75 |
187-255 |
< 08-15 |
20 |
< 25 |
45 |
2.5 |
75 |
170-241 |
< 15-30 |
30 |
< 20 |
40 |
2.5 |
75 |
170-241 |
< 30-50 |
45 |
< 18 |
34 |
3 |
75 |
170-241 |
< 50 |
60 |
< 16 |
31 |
4.5 |
75 |
160-229 |
TANN uses gray cast iron as the standard material for cast iron housings. Among metallic material cast iron has a high damping capacity, which is an ideal characteristic for mechanical components. This means cast iron, exhibits superior performance when absorbing vibration, compared with other materials. Additionally cast iron is suitable for high temperatures of up to 300C°. |
In order to maintain the quality constant over time, below entire series of tests reported are performed: |
- hardness tests on the materials |
- microscopic inspection |
- chemical analysis of the composition |
- magnetic exploration |
- corrosion from contct with acid substances |
- noise and vibration tests |
- visual inspection |
*Further requires please feel free to contact Stacy
Lubrication of Bearing Units |
The bearing units are all grease-lubricated and are basically to be relubricated. The grease injected from the grease fitting by means of a grease gun flows into the bearing chamber passing through the grease groove in the housing & grease hole in the bearing outer ring. |
For relubrication, it is recommended to supply the grease during opethe ration of Bearing units so as to avoid excessive greasing. |
As the bearings are to be operated for ratha er long time without supplement of grease, the grease must be of high quality. |
When selecting the grease, care must be taken not to use improper grease as there are various types of grease available by mixing mineral oil and metallic scope base according to the application purpose. |
There are below types of the grease fittings available as shown:
Standard type |
45° fitting |
90° fitting |
#Advantage Manufacturing Processes and Quality Control |
01 Heat Treatment
02 Centerless Grinding Machine 11200 (most advanced)
03 Automatic Production Lines for Raceway
04 Automatic Production Lines for Raceway
05 Ultras onic Cleaning of Rings
06 Automatic Assembly
07 Ultras onic Cleaning of Bearings
08 Automatic Greasing, Seals Pressing
09 Measurement of Bearing Vibration (Acceleration)
10 Measurement of Bearing Vibration (Speed)
11 Laser Marking
12 Automatic Packing
#Guides for Selecting Bearing Precision |
ISO |
Application |
Normal Class 6 |
Computer printers, copy machine-feed rollers, micro motors, stepping motors, fan motors, VCR pinch rollers |
Class 5
Class 4 |
High precision motors, hard disk drive motors, dental spindles, servo motors, encoders, VCR drum
spindles, VCR capstan motors, polygonal mirror scanner motors |
Class 4 |
High frequency spindles, gyro motors, gyro gimbals |
#We strictly follow the core of quality management process control: |
✓ APQP: product quality advance planning
✓ SPC: Statistical process control
✓ MSA: Measurement system analysis
✓ FMEA: Analysis of potential failure modes and consequences
✓ PPAP: Production part approval procedure
#Packing&Shipping |
Packing |
small size&
medium size |
plastic buckets/paper-10pcs |
wrapped with rust-proof paper-10pcs |
color box-1pcs |
large size |
wrapped with waterproof winding tape |
wooden box |
Pallet |
European composite pallet |
Colesed composite wooden pallet |
ISB three-folds pallet |
Shipping |
Port of shipment |
Xiamen, China |
Transportation |
Sea/ Air/ Road |
Price Term |
FOB(Usual) |
Payment Term |
30% prepayment upone order confirmed, balance T/T before shipment when goods ready. |
Fields we cover
*Could you make a brief introduction to your all series of products?
Yes, we stock and sell factory-warrantied mechanical, electrical, and fluid-driven equipment such as bearings, belts, drives, motors, gears, couplings, clutches and brakes, linear motion, and hydraulics and pneumatics.
*How about your sales group?
At Granville, we understand a competent team makes your job easier, so we have established a group of employees who represent our resourcefulness and commitment to working hard to make sure your unique challenges are handled right the first time.
*What's your solutions for maximizing customers' benefits?
Our goal is to have your stock requirements on-hand when you need them. Through our storeroom surveys, in-depth communication, and usage analysis, we can reduce your organization's inventory cost, supply room costs, and turn-around time.
*What's your shipping document and documents of payment?
Our usual practice is FOB Shanghai & T/T, and we could adjust them for your requirements.
*What's the most convenient way to get your free quotation?
Please contact Stacy with your requirements (or Copy the contents of the table and fill in it with your information)
RFQ for Free |
Company Name: |
Name: Mr./Mrs./Miss |
Email: |
Bearing No. : |
Quantity: |
More Details: |
(Miss Stacy Export Department) |
{Hi! This is Stacy from Granville, let me know if you have any requirements for our products or services. Have a nice day! :)