| Precision Rating: | P0 P4 P5 P6 |
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| Number of Row: | Single Row |
| Internal Diameter: | 6.5mm |
| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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| Bearing Designations |
Inch size(in) | Metric size(mm) | Loading capacity(N) | Weight (kg) |
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| radial loading | axial | ||||||||||
| d | D | B | d | D | B | Cor | Cr | Cor | Cr | ||
| KF040AR0 | 4 | 5.5 | 0.75 | 101.6 | 139.7 | 19.05 | 28220 | 16600 | 81520 | 37420 | 0.875 |
| KF042AR0 | 4.25 | 5.75 | 0.75 | 107.95 | 146.05 | 19.05 | 29330 | 16910 | 84680 | 38360 | 0.93 |
| KF045AR0 | 4.5 | 6 | 0.75 | 114.3 | 152.4 | 19.05 | 31510 | 17620 | 90940 | 40220 | 0.975 |
| KF047ARO | 4.75 | 6.25 | 0.75 | 120.65 | 158.75 | 19.05 | 32580 | 17930 | 94060 | 41160 | 1.04 |
| KF050AR0 | 5 | 6.5 | 0.75 | 127 | 165.1 | 19.05 | 33650 | 18220 | 97210 | 42050 | 1.09 |
| KF055AR0 | 5.5 | 7 | 0.75 | 139.7 | 177.8 | 19.05 | 36930 | 19190 | 106590 | 44710 | 1.18 |
| KF060AR0 | 6 | 7.5 | 0.75 | 152.4 | 190.5 | 19.05 | 40180 | 20130 | 116010 | 47340 | 1.24 |
| KF065AR0 | 6.5 | 8 | 0.75 | 165.1 | 203.2 | 19.05 | 43420 | 21040 | 125440 | 49870 | 1.35 |
| KF07OAR0 | 7 | 8.5 | 0.75 | 177.8 | 215.9 | 19.05 | 46710 | 21920 | 134820 | 52320 | 1.45 |
| KF075AR0 | 7.5 | 9 | 0.75 | 190.5 | 228.6 | 19.05 | 48890 | 22450 | 141090 | 53920 | 1.56 |
| KF080AR0 | 8 | 9.5 | 0.75 | 203.2 | 241.3 | 19.05 | 52140 | 23300 | 150510 | 56320 | 1.66 |
| KF090AR0 | 9 | 10.5 | 0.75 | 228.6 | 266.7 | 19.05 | 58630 | 24920 | 169310 | 60890 | 1.81 |
| KF100AR0 | 10 | 11.5 | 0.75 | 254 | 292.1 | 19.05 | 64090 | 26180 | 185000 | 64580 | 2.02 |
| KF110AR0 | 11 | 12.5 | 0.75 | 279.4 | 317.5 | 19.05 | 70580 | 27680 | 203810 | 68900 | 2.18 |
| KF120AR0 | 12 | 13.5 | 0.75 | 304.8 | 342.9 | 19.05 | 76010 | 28830 | 219500 | 72410 | 2.38 |
| KF140AR0 | 14 | 15.5 | 0.75 | 355.6 | 393.7 | 19.05 | 87970 | 31300 | 253990 | 79790 | 2.72 |
| KF160AR0 | 16 | 17.5 | 0.75 | 406.4 | 444.5 | 19.05 | 99920 | 33610 | 288440 | 86850 | 3.22 |
| KF180AR0 | 18 | 19.5 | 0.75 | 457.2 | 495.3 | 19.05 | 112950 | 36010 | 326100 | 94280 | 3.58 |
| KF200AR0 | 20 | 21.5 | 0.75 | 508 | 546.1 | 19.05 | 124910 | 38050 | 360590 | 100810 | 4.04 |
| KF250AR0 | 25 | 26.5 | 0.75 | 635 | 673.1 | 19.05 | 154240 | 42600 | 445400 | 116010 | 4.763 |
| KF300AR0 | 30 | 31.5 | 0.75 | 762 | 800.1 | 19.05 | 184650 | 46820 | 532980 | 130820 | 5.67 |
| KF350AR0 | 35 | 36.5 | 0.75 | 889 | 927.1 | 19.05 | 215050 | 50590 | 620990 | 144820 | 6.623 |
| KF400AR0 | 40 | 41.5 | 0.75 | 1016 | 1054. | 19.05 | 245460 | 53990 | 708560 | 158160 | 7.53 |
1.Thin-wall design: The cross-section height and width remain constant, suitable for applications with limited space.
2.Lightweight: The lightweight design helps reduce the overall equipment weight.
3.High load-bearing capacity: Although the bearing wall is thin, it has excellent load-bearing capacity through optimized design.
4.High precision: Provides high precision grade, suitable for demanding applications.
5.Diversification: There are a variety of sizes and forms to choose from, including deep groove ball bearings, angular contact ball bearings and four-point contact ball bearings, etc.
Shenzhen Lanzer Electronics Co., Ltd. was established in 2013. It is the sales company of Lanbo and Huicong, a subsidiary of Hebei Tianma Bearing Manufacturing Co., Ltd.
The company's products cover various types of bearings, including ball bearings, roller bearings, angular contact bearings and various non-standard special-shaped bearing series. The company specializes in the production of ultra-thin equal-section bearings, industrial automation robot bearings, thin-walled deep groove ball bearings, thin-walled angular contact ball bearings and various non-standard special-shaped bearing series. Now the company has matured in R&D and manufacturing to replace foreign imported ultra-thin bearings and equal-section thin-walled ball bearings. Ultra-thin constant-section bearings consist of seven open series and five sealed series, with bore diameters from 1 inch to 40 inches and cross-sectional dimensions ranging from 0.1875x0.1875 inches to 1.000x1.000 inches; divided into three types : Deep groove ball type (C type), angular contact type (A type), four-point contact type (X type).
Products are widely used in transmission devices such as automobiles, bicycles, reducers, medical equipment, sports equipment, aviation, robot joints, machine tools, packaging equipment, textile machinery, semiconductor processing equipment, RV reducers and rotary worktables.
The company adheres to the principle of "customer first, quality first" and strives to provide customers with high-quality products and services. We welcome customers from all over the world to cooperate with us to develop together and create a better future.
The testing instruments include metallographic structure tester, imported coordinate measuring machine, projection length measuring machine, BVT vibration and noise measuring instrument, roundness meter, profiler, roughness meter, etc. the production equipment includes full-automatic servo grinder and wire drawing machine Precision equipment such as precision machine, plane precision grinding machine, assembly fitting instrument and ultrasonic cleaning machine ensure our production strength and bearing quality Stability.
Joint cooperation
We are a professional thin wall bearing manufacturer We can provide customized services to meet customer requirements.
We welcome customers from all over the world to establish business relations and cooperation with us.
We are committed to becoming your most reliable bearing supplier.
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Universal Packing
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Without any logo on bearings or packing.
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SDLB Packing
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With our brand SDLB on bearings and packing.
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Customized Packing
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Depends on buyer's requirements.
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Original Brand Packing
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Bearing and packing are both original. Please contact us for pictures.
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We supply different types of ball and roller bearings,tapered roller bearing, deep groove ball bearing, spherical roller bearing, Linear guides.
Q1: What is our advantages?
A: Manufacturer - Do it only with the Best;Your Choice make different.
Q2: Our Products
A: Equal-section thin-wall bearings,Linear guide bearings,Deep groove ball bearing,Cylindrical roller bearing,Spherical roller bearing,Needle roller bearing,Angular contact ball bearing,Tapered roller bearing,Thrust ball bearing,Self-aligning ball bearing.
Q3: Process of our production
A: Heat Treatment - Grinding - Parts Inspection - Assembly - Final Inspection - Packing
Q4: How to customize bearing(non-standard) from your company?
A: We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.
Q5: What should I care before installation?
A: Normally, the preservative with which new bearings are coated before leaving the factory does not need to be removed; it is only necessary to wipe off the outside cylindrical surface and bore, if the grease is not compatible with the preservative, it is necessary to wash and carefully dry the bearing.Bearings should be installed in a dry, dust-free room away from metal working or other machines producing swarf and dust.
Q6: How to stock and maintenance my bearings right?
A: Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity or sudden and severe temperature changes that may result in condensation forming;Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.
To get price list of promotion bearings, please contact us
Suppliers with verified business licenses
Audited Supplier 
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