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KG-CP0 Series Extra Thin-walled Bearings Offer High Rigidity Low Friction
KG-CP0 is a type of ball bearing with a constant cross-section of 25.4mm. It has excellent precision, stable radial load capacity, and a compact structure that saves installation space. It is widely used in automated equipment and precision instruments.
Maximum radius of chamfer on shaft or bearing housing
KG042CP0 Thin Section Bearing
d
107.95 mm / 4.25 in
aperture
D
158.75 mm / 6.25 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 126.797 mm / 4.992 in
Inner ring flange diameter
D1
≈ 139.903 mm / 5.508 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG047CP0 Thin Section Bearing
d
120.65 mm / 4.75 in
aperture
D
171.45 mm / 6.75 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 139.497 mm / 5.492 in
Inner ring flange diameter
D1
≈ 152.603 mm / 6.008 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG050CP0 Thin Section Bearing
d
127 mm / 5 in
aperture
D
177.8 mm / 7 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 145.847 mm / 5.742 in
Inner ring flange diameter
D1
≈ 158.953 mm / 6.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG055CP0 Thin Section Bearing
d
139.7 mm / 5.5 in
aperture
D
190.5 mm / 7.5 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 158.547 mm / 6.242 in
Inner ring flange diameter
D1
≈ 171.653 mm / 6.758 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG060CP0 Thin Section Bearing
d
152.4 mm / 6 in
aperture
D
203.2 mm / 8 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 171.247 mm / 6.742 in
Inner ring flange diameter
D1
≈ 184.353 mm / 7.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG065CP0 Thin Section Bearing
d
165.1 mm / 6.5 in
aperture
D
215.9 mm / 8.5 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 183.947 mm / 7.242 in
Inner ring flange diameter
D1
≈ 197.053 mm / 7.758 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG070CP0 Thin Section Bearing
d
177.8 mm / 7 in
aperture
D
228.6 mm / 9 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 196.647 mm / 7.742 in
Inner ring flange diameter
D1
≈ 209.753 mm / 8.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG075CP0
KG080CP0
KG090CP0
KG100CP0
KG110CP0
KG120CP0
KG140CP0
KG160CP0
KG075CP0 Thin Section Bearing
d
190.5 mm / 7.5 in
aperture
D
241.3 mm / 9.5 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 209.347 mm / 8.242 in
Inner ring flange diameter
D1
≈ 222.453 mm / 8.758 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG080CP0 Thin Section Bearing
d
203.2 mm / 8 in
aperture
D
254 mm / 10 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 222.047 mm / 8.742 in
Inner ring flange diameter
D1
≈ 235.153 mm / 9.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG090CP0 Thin Section Bearing
d
228.6 mm / 9 in
aperture
D
279.4 mm / 11 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 247.447 mm / 9.742 in
Inner ring flange diameter
D1
≈ 260.553 mm / 10.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG100CP0 Thin Section Bearing
d
254 mm / 10 in
aperture
D
304.8 mm / 12 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 272.847 mm / 10.742 in
Inner ring flange diameter
D1
≈ 285.953 mm / 11.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG110CP0 Thin Section Bearing
d
279.4 mm / 11 in
aperture
D
330.2 mm / 13 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 298.247 mm / 11.742 in
Inner ring flange diameter
D1
≈ 311.353 mm / 12.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG120CP0 Thin Section Bearing
d
304.8 mm / 12 in
aperture
D
355.6 mm / 14 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 323.647 mm / 12.742 in
Inner ring flange diameter
D1
≈ 336.753 mm / 13.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG140CP0 Thin Section Bearing
d
355.6 mm / 14 in
aperture
D
406.4 mm / 16 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 374.447 mm / 14.742 in
Inner ring flange diameter
D1
≈ 387.553 mm / 15.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG160CP0 Thin Section Bearing
d
406.4 mm / 16 in
aperture
D
457.2 mm / 18 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 425.247 mm / 16.742 in
Inner ring flange diameter
D1
≈ 438.353 mm / 17.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG180CP0
KG200CP0
KG220CP0
KG250CP0
KG300CP0
KG350CP0
KG400CP0
KG180CP0 Thin Section Bearing
d
457.2 mm / 18 in
aperture
D
508 mm / 20 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 476.047 mm / 18.742 in
Inner ring flange diameter
D1
≈ 489.153 mm / 19.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG200CP0 Thin Section Bearing
d
508 mm / 20 in
aperture
D
558.8 mm / 22 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 526.847 mm / 20.742 in
Inner ring flange diameter
D1
≈ 539.953 mm / 21.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG220CP0 Thin Section Bearing
d
558.8 mm / 22 in
aperture
D
609.6 mm / 24 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 577.647 mm / 22.742 in
Inner ring flange diameter
D1
≈ 590.753 mm / 23.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG250CP0 Thin Section Bearing
d
635 mm / 25 in
aperture
D
685.8 mm / 27 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 653.847 mm / 25.742 in
Inner ring flange diameter
D1
≈ 666.953 mm / 26.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG300CP0 Thin Section Bearing
d
762 mm / 30 in
aperture
D
812.8 mm / 32 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 780.847 mm / 30.742 in
Inner ring flange diameter
D1
≈ 793.953 mm / 31.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG350CP0 Thin Section Bearing
d
889 mm / 35 in
aperture
D
939.8 mm / 37 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 907.847 mm / 35.742 in
Inner ring flange diameter
D1
≈ 920.953 mm / 36.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
KG400CP0 Thin Section Bearing
d
1016 mm / 40 in
aperture
D
1066.8 mm / 42 in
outer diameter
B
25.4 mm / 1 in
radial cross section
H
25.4 mm / 1 in
width
d1
≈ 1034.847 mm / 40.742 in
Inner ring flange diameter
D1
≈ 1047.953 mm / 41.258 in
Outer ring flange diameter
12.7 mm / 0.5 in
sphere diameter
2.032 mm / 0.08 in
Maximum radius of chamfer on shaft or bearing housing
The mainstream precision grades for Thin Section Bearings are P4 and P5.The inner diameter, outer diameter and width tolerances of P5 grade bearings are within the normal range, and the raceway form and position deviations, radial and axial run-outs meet general usage requirements. P4 grade is a high-precision specification with narrower dimensional tolerances, higher raceway geometric accuracy, and significantly reduced radial and axial run-out. The two grades of parameters are clearly defined, and all accuracy indicators are implemented in accordance with the specifications, ensuring a high degree of uniformity in the accuracy performance of bearings of the same grade.
TKW also manufactures 440C stainless steel thin section bearings. Compared to thin section bearings made of other materials, 440C stainless steel has the following characteristics:
1. High hardness and wear resistance: After quenching, the hardness is HRC58–62. The dense chromium carbide structure provides wear and fatigue resistance, making it suitable for high-speed and high-load operating conditions.
2. Corrosion and rust resistant: Resistant to moisture, salt spray, fresh water, weak acids, and food and pharmaceutical solutions, superior to ordinary chrome steel, suitable for medical, food, and marine environments.
3. Wide temperature stability: Withstands temperatures from -60℃ to 300℃, and is not prone to deformation or performance degradation under high and low temperature environments, making it suitable for high and low temperature precision equipment.
4. High dimensional accuracy: It can be polished to Ra<0.05μm, and with the constant cross-section design, the rotational run-out is small and the positioning is accurate.
5. Superior performance: It is more rust-resistant and has a longer service life than 52100 chromium steel; it is harder, more wear-resistant, and can withstand heavy loads than 316L steel.
High-quality slim section bearings, Alternative to Kaydon, directly from the factory, inquiries welcome!
TKW is a high-quality China bearing manufacturer with extensive experience in bearing research and development and manufacturing. Its production base is located in Guantao County, Handan City, Hebei Province. The factory can mass-produce a variety of precision bearings, including bearings for servo motors, thin-walled bearings with equal cross-sections, vacuum pump bearings, and low-temperature bearings. The company has established a mature and complete end-to-end system encompassing production, precision testing, finished product packaging, and logistics delivery. Its products meet export standards and are supplied to overseas markets such as Europe, America, and South Korea on a long-term basis.
