+86-18615202650 Gat a Quote

Home > Product > Needle Roller Bearing

Needle Roller Bearing

Needle roller bearings are roller bearings with cylindrical rollers. Relative to their diameter, the rollers are thin and long. This type of roller is called a needle roller. Despite its small cross-section, the bearing still has a high load-bearing capacity. Needle roller bearings are equipped with thin and long rollers (roller diameter D≤5mm, L/D≥2.5, L is the roller length), so the radial structure is compact. When its inner diameter size and load capacity are the same as those of other types of bearings, the outer diameter is the smallest, which is particularly suitable for support structures with limited radial installation dimensions.

Product details

210 Results

Display order:
Sort by:
Model number Basic size Basic load rating Rated speed
Dynamic state Static Reference speed Limiting speed
d [mm] D [mm] B [mm] C [kN] C₀ [kN] [r/min] [r/min]
HK1718
 17 23 18
HK1716
 17 23 16
HK1714
 17 23 14
HK1712
 17 23 12
HK1616
 16 22 16
HK1614
 16 22 14
HK1612
 16 22 12
HK1522
 15 21 22
HK1520
 15 21 20
HK1516
 15 21 16
HK1514
 15 21 14
HK1512
 15 20 12
Model number Basic size Basic load rating Rated speed
Dynamic state Static Reference speed Limiting speed
d [in] D [in] B [in] C [Ibf] C₀ [Ibf] [r/min] [r/min]
HK1718
HK1716
HK1714
HK1712
HK1616
HK1614
HK1612
HK1522
HK1520
HK1516
HK1514
HK1512

Advantage

‌The main features of needle roller bearings include high load-bearing capacity, compact structure, low friction and high efficiency, good durability and high precision‌. ‌


‌1. High load-bearing capacity‌: Since the length of the needle roller is greater than the diameter, the needle roller bearing has a large contact area and can withstand large radial loads. This makes the needle roller bearing perform well in high-load situations.


‌2. Compact structure‌: The structure of the needle roller bearing is very compact, which can provide a high load-bearing capacity in a limited space, especially suitable for application scenarios with limited axial space.


‌3. Low friction and high efficiency‌: The needle roller bearing reduces friction through rolling contact between the rolling element and the inner and outer rings, improves transmission efficiency, and reduces energy loss.


‌4. Good durability and high precision‌: The needle roller bearing uses wear-resistant materials, has high manufacturing precision, can maintain stable performance in harsh working environments, and has a long service life.


‌5. Strong adaptability‌: Needle roller bearings are suitable for a variety of different working environments and working conditions, and can be widely used in various mechanical equipment to ensure the normal operation of the equipment.


‌6. Simple structure‌: The needle roller bearing has a simple structure, a small contact area between the needle roller and the inner and outer rings, and can withstand high speeds.


These characteristics make needle roller bearings widely used in mechanical equipment, especially in situations that require high load capacity, compact structure and low friction.