Audited Supplier
1. 15 years bearing products manufacturing and exporting experiences.
2. Low friction and running temperatures, low noise and vibration
3. High running speeds. High quality and performance capabilities for your application
4. Increased reliability and provide long bearing and lubricant service life
5. LIBC bearing catalogue lists a large range of designs, variants and sizes of deep groove ball bearings. Beyond our catalogue offering, the LIBC deep groove ball bearings are customizable to offer advantages for applications with specific performance needs.
6. Bearings sample available
7. Professional and quick after-sales service.
The Support Unit comes in six types: models EK, FK, EF, and FF, which are tailored to model BNK precision Ball Screw with finished shaft ends, and models BK and BF, which are standardized for general Ball Screws.The Support Unit on the fixed side includes a JIS Class 5-compliant angular bearing provided with an adjusted preload.The Support Unit on the supported side uses a deep-groove ball bearing.The internal bearings of the Support Unit models EK, FK and BK contain an appropriate amount of lithium soap-group grease that is sealed with a special seal. Thus, these models are capable of operating over a long period.
BK Fixed Side
 • Using angular contact ball bearings without preload for C7 types Support Units,and Max.axial clearance is 0.018mm. • Bearings make Preload for C5 type support units,and Axial clearance is Omm. • All of bearings use Japan's brand bearings. |  |
BF Floated Side
 • It is used double pressed steel cages for Black Oxide type support units. • It isused double plastic cages for Electroless Nickel Plating type support units. • All of bearings use Japan's brand bearings. |  |
BK Fixed Side
| Model No. | Shaft diameter d | L | L1 | L2 | L3 | B | H | b±0.02 | h±0.02 | B1 | H1 | E | P | C1 | C2 | d2 | X | Y | Z | M | T |
| BK10 | 10 | 25 | 5 | 29 | 5 | 60 | 39 | 30 | 22 | 34 | 32.5 | 15 | 46 | 13 | 6 | 5.5 | 6.6 | 10.8 | 5 | M3 | 16 |
| BK12 | 12 | 25 | 5 | 29 | 5 | 60 | 43 | 30 | 25 | 34 | 32.5 | 18 | 46 | 13 | 6 | 5.5 | 6.6 | 10.8 | 1.5 | M4 | 19 |
| BK15 | 15 | 27 | 6 | 32 | 6 | 70 | 48 | 35 | 28 | 40 | 38 | 18 | 54 | 15 | 6 | 5.5 | 6.6 | 11 | 6.5 | M4 | 22 |
| BK17 | 17 | 35 | 9 | 44 | 7 | 86 | 64 | 43 | 39 | 50 | 55 | 28 | 68 | 19 | 8 | 6.6 | 9 | 14 | 8.5 | M4 | 24 |
| BK20 | 20 | 35 | 8 | 43 | 8 | 86 | 60 | 44 | 34 | 52 | 50 | 22 | 70 | 19 | 8 | 6.6 | 9 | 14 | 8.5 | M4 | 30 |
| BK25 | 25 | 42 | 12 | 54 | 9 | 106 | 80 | 53 | 48 | 64 | 70 | 33 | 85 | 22 | 10 | 9 | 11 | 17 | 11 | M5 | 35 |
| BK30 | 30 | 45 | 14 | 61 | 9 | 128 | 89 | 64 | 51 | 76 | 78 | 33 | 102 | 23 | 11 | 11 | 14 | 20 | 13 | M6 | 40 |
| BK35 | 35 | 50 | 14 | 67 | 12 | 140 | 96 | 70 | 52 | 88 | 79 | 35 | 114 | 26 | 12 | 11 | 14 | 20 | 13 | M8 | 50 |
| BK40 | 40 | 61 | 18 | 76 | 15 | 160 | 110 | 80 | 60 | 100 | 90 | 37 | 130 | 33 | 14 | 14 | 18 | 26 | 17.5 | M8 | 50 |
BF Floated Side
| Model No. | Shaft diameter d | L | B | H | b±0.02 | h ±0.02 | B1 | H1 | E | P |
| BF10 | 8 | 20 | 60 | 39 | 30 | 22 | 34 | 32.5 | 15 | 46 |
| BF12 | 10 | 20 | 60 | 43 | 30 | 25 | 34 | 32.5 | 18 | 46 |
| BF15 | 15 | 20 | 70 | 48 | 35 | 28 | 40 | 38 | 18 | 54 |
| BF17 | 17 | 23 | 86 | 64 | 43 | 39 | 50 | 55 | 28 | 68 |
| BF20 | 20 | 26 | 88 | 60 | 44 | 34 | 52 | 50 | 22 | 70 |
| BF25 | 25 | 30 | 106 | 80 | 53 | 48 | 64 | 70 | 33 | 85 |
| BF30 | 30 | 32 | 128 | 89 | 64 | 51 | 76 | 78 | 33 | 102 |
| BF35 | 35 | 32 | 140 | 96 | 70 | 52 | 88 | 79 | 35 | 114 |
| BF40 | 40 | 37 | 160 | 110 | 80 | 60 | 100 | 90 | 37 | 130 |
Q: MOQ?
A: Available, from 1-50 pcs.
Q: Bearing quality assurance?
A: Normally 12 months.
A: TT, WEST UNION, PAYPAY.
