0
query
cart
0
query
cart
Product Code : BK Series Drawn Cup Needle Roller Bearing
Sizes available from Bore : BK0306-TV TO BK 4520
INA BK Series Drawn Cup Needle Roller Bearings (Closed End)
INA BK Series Drawn Cup Needle Roller Bearings are compact radial needle roller bearings designed for applications with extremely limited radial space. These bearings feature a deep-drawn outer ring with a closed end (BK type), which seals one side of the bearing and protects the internal components from contaminants, moisture, and mechanical damage.
The thin-walled outer cup provides high load-carrying capacity while maintaining a small cross-section. BK series bearings are supplied with a cage-guided needle roller assembly and are typically used where the housing bore serves as the outer raceway.
| Bearing No. | d (Fw) mm | D (Outer Dia.) mm | B (Width) mm | Dynamic Load Cr (kN) | Static Load C0r (kN) | Limiting Speed (RPM) |
|---|---|---|---|---|---|---|
| BK0306 | 3 | 6.5 | 6 | 1.23 | 0.88 | 24,000 / 26,000 |
| BK0408 | 4 | 8 | 8 | 1.76 | 1.37 | 22,000 / 26,000 |
| BK0509 | 5 | 9 | 9 | 2.38 | 2.08 | 22,000 / 24,000 |
| BK0609 | 6 | 10 | 9 | 2.81 | 2.70 | 20,000 / 22,000 |
| BK0709 | 7 | 11 | 9 | ~3.03 | ~3.05 | 20,000 / 22,000 |
| BK0808 | 8 | 12 | 8 | ~2.70 | ~2.75 | 19,000 / 22,000 |
| BK0810 | 8 | 12 | 10 | ~3.69 | ~4.05 | 19,000 / 22,000 |
| BK0910 | 9 | 13 | 10 | ~4.13 | ~4.80 | 18,000 / 20,000 |
| BK0912 | 9 | 13 | 12 | ~5.12 | ~6.40 | 18,000 / 20,000 |
| BK3012 | 30 | 37 | 12 | ~11.7 | ~18.3 | ~8,000 / ~9,000 |
| BK3020 | 30 | 37 | 20 | ~20.9 | ~40 | ~8,000 / ~9,000 |
| BK3520 | 35 | 42 | 20 | ~22.9 | ~46.5 | ~7,000 / ~8,000 |
| BK4016 | 40 | 47 | 16 | ~20 | ~38.5 | ~6,300 |
| BK4020 | 40 | 47 | 20 | ~25.5 | ~52 | ~6,300 |
| BK4520 | 45 | 52 | 20 | 22.0–26.3 | 51–56 | ~5,800 |
Enquiry made simple, delivery made certain — excellence made possible.
Enquiry Now
Contact Us