Needle Rollers | QIBR Bearings

仕様

Material: 52100
Applications: Bearing Manufacturing, Automotive and Medical Devices
Diameter (Dw): 1mm-6mm
Length (Lw): 5.8mm-39.8mm
Mass: 0.048kg-6.13kg (1000 pieces)

QIBR 製品選定

QIBR 製品選定
番号	製品型式	Material	Length	Weight	Material composition sulfur	Outer diameter
1	Needle Roller NRB1.5X11.8-G2	52100	11.8 mm	0.164 kg	0.025% Max.	1.5 mm
2	Needle Roller NRB1.5X13.8-G2	52100	13.8 mm	0.191 kg	0.025% Max.	1.5 mm
3	Needle Roller NRB1.5X5.8-G2	52100	5.8 mm	0.081 kg	0.025% Max.	1.5 mm
4	Needle Roller NRB1.5X6.8-G2	52100	6.8 mm	0.094 kg	0.025% Max.	1.5 mm
5	Needle Roller NRB1.5X7.8-G2	52100	7.8 mm	0.108 kg	0.025% Max.	1.5 mm
6	Needle Roller NRB1.5X9.8-G2	52100	9.8 mm	0.136 kg	0.025% Max.	1.5 mm
7	Needle Roller NRB1X7.8-G2	52100	7.8 mm	0.048 kg	0.025% Max.	1 mm
8	Needle Roller NRB2.5X11.8-G2	52100	11.8 mm	0.45 kg	0.025% Max.	2.5 mm
9	Needle Roller NRB2.5X13.8-G2	52100	13.8 mm	0.53 kg	0.025% Max.	2.5 mm
10	Needle Roller NRB2.5X15.8-G2	52100	15.8 mm	0.61 kg	0.025% Max.	2.5 mm
11	Needle Roller NRB2.5X17.8-G2	52100	17.8 mm	0.69 kg	0.025% Max.	2.5 mm
12	Needle Roller NRB2.5X19.8-G2	52100	19.8 mm	0.76 kg	0.025% Max.	2.5 mm
13	Needle Roller NRB2.5X21.8-G2	52100	21.8 mm	0.84 kg	0.025% Max.	2.5 mm
14	Needle Roller NRB2.5X23.8-G2	52100	23.8 mm	0.92 kg	0.025% Max.	2.5 mm
15	Needle Roller NRB2.5X7.8-G2	52100	7.8 mm	0.3 kg	0.025% Max.	2.5 mm
16	Needle Roller NRB2.5X9.8-G2	52100	9.8 mm	0.38 kg	0.025% Max.	2.5 mm
17	Needle Roller NRB2X11.8-G2	52100	11.8 mm	0.29 kg	0.025% Max.	2 mm
18	Needle Roller NRB2X13.8-G2	52100	13.8 mm	0.34 kg	0.025% Max.	2 mm
19	Needle Roller NRB2X15.8-G2	52100	15.8 mm	0.39 kg	0.025% Max.	2 mm
20	Needle Roller NRB2X17.8-G2	52100	17.8 mm	0.44 kg	0.025% Max.	2 mm
21	Needle Roller NRB2X19.8-G2	52100	19.8 mm	0.49 kg	0.025% Max.	2 mm
22	Needle Roller NRB2X21.8-G2	52100	21.8 mm	0.54 kg	0.025% Max.	2 mm
23	Needle Roller NRB2X6.3-G2	52100	6.3 mm	0.16 kg	0.025% Max.	2 mm
24	Needle Roller NRB2X7.8-G2	52100	7.8 mm	0.19 kg	0.025% Max.	2 mm
25	Needle Roller NRB2X9.8-G2	52100	9.8 mm	0.24 kg	0.025% Max.	2 mm

Characteristics of needle rollers

Low friction: Due to the principle of rolling friction, needle roller bearings have less friction and high efficiency than sliding bearings.

High precision: Some high-precision needle rollers can be used in high-speed and precision equipment.

When choosing needle rollers, the following factors need to be considered:

Load requirements: Choose the appropriate specifications according to the load size required.

Speed requirements: When running at high speed, choose rollers made of materials that are suitable for high speed.

Temperature and environment: Choose appropriate materials and sealing methods according to the temperature and pollution conditions of the working environment.

Lubrication: Reasonable lubrication can reduce friction and extend the service life of the bearing.

QIBR 製品選定

Characteristics of needle rollers

Low friction: Due to the principle of rolling friction, needle roller bearings have less friction and high efficiency than sliding bearings.

High precision: Some high-precision needle rollers can be used in high-speed and precision equipment.

When choosing needle rollers, the following factors need to be considered:

Load requirements: Choose the appropriate specifications according to the load size required.

Speed requirements: When running at high speed, choose rollers made of materials that are suitable for high speed.

Temperature and environment: Choose appropriate materials and sealing methods according to the temperature and pollution conditions of the working environment.

Lubrication: Reasonable lubrication can reduce friction and extend the service life of the bearing.