Koyo NRB M-18161 Roller bearing - Horton Bearing Services

Horton Bearing Services: Industrial bearing solution Bearing distributors services Bearings interchange and replacement

English

✖

Home

Stock Categories

Quality Control

Home>Products>Needle roller bearings>Koyo NRB M-18161 Roller bearing image

Koyo NRB M-18161 Roller bearing image

Back to product page

The details of Needle roller bearings

Bearing number:7228BGM
Size (mm):140x250x42
Bore Diameter (mm):140,000
Outer Diameter (mm):250,000
Width (mm):42,000
d:140,000 mm
D:250,000 mm
B:42,000 mm
C:42,000 mm
d1:183.5 mm
d2:152.7 mm
D1:207.5 mm
D2:237.8 mm
a:103 mm
Contact angle α:40 °
rs min:3 mm
r1s min:1.1 mm
Radial clearance class:CN
Mass:8.91 kg
Dynamic load, C:193 kN
Static load, C0:213 kN
Fatigue limit load, Cu:6.9 kN
Nref:3,400 rpm
Nlim:3,200 rpm
Min operating temperature, Tmin:-40 °C
Max operating temperature, Tmax:120 °C
Characteristic cage frequency, FTF:0.43 Hz
Characteristic rolling element frequency, BSF:5.75 Hz
Characteristic outer ring frequency, BPF0:6.95 Hz
Characteristic inner ring frequency, BPFI:9.05 Hz
da min:154 mm
db min:154 mm
Da max:236 mm
Db max:243 mm
r1a max:1 mm
ra max:2.5 mm

Horton Bearing Services not only supply bearings,but also sell:oil seals,washer,lubricator,bearing ball,hydraulic pump and accessories.
If you have enquiry, Please feel free to contact us.
Expect to cooperate with you in near future.

Contact Us

Horton Bearing Services: Emailinfo@bearings-services.com; Address4 Pemimpin Drive #03-09, Lip Hing Industrial Building; Phone(Working Time)(65) 8257 8518; Fax(65) 6258 7399

Send Now

All Groups

Industrial bearing solution Bearing distributors services Bearings interchange and replacement Excavator bearings suppliers Engine bearings and parts