40 mm x 55 mm x 20 mm KOYO NKJ40/20 needle roller bearings
We work closely with our 40 mm x 55 mm x 20 mm KOYO NKJ40/20 needle roller bearings manufacturing partners 40 mm x 55 mm x 20 mm to bring the best value to Shandong Chik Bearing Co., Ltd. customers.
What is NKJ40/20 bearing interchange？
| Brand Name: |
KOYO |
| Model Number: |
NKJ40/20 |
| Series: |
HM231100 |
| Cone Part Number: |
HM231132 |
| Cup Part Number: |
HM231110 |
| Design Units: |
Imperial |
| Bearing Weight: |
9.9 Kg |
| Cage Type: |
Stamped Steel |
| d: |
139.700 mm |
| D: |
236.538 mm |
| PDF |
NKJ40/20 |
Product Details
| Series |
HM231100 |
| Cone Part Number |
HM231132 |
| Cup Part Number |
HM231110 |
| Design Units |
Imperial |
| Bearing Weight |
9.9 Kg |
| Cage Type |
Stamped Steel |
| d |
139.700 mm |
| D |
236.538 mm |
| B - Cone Width |
56.642 mm |
| C - Cup Width |
44.450 mm |
| B |
57.150 mm |
| R - Cone Backface To Clear Radius1 |
3.560 mm |
| r - Cup Backface To Clear Radius2 |
3.30 mm |
| da - Cone Frontface Backing Diameter |
155.96 mm |
| db - Cone Backface Backing Diameter |
160.02 mm |
| Da - Cup Frontface Backing Diameter |
224.54 mm |
| Db - Cup Backface Backing Diameter |
216.92 mm |
| Ab - Cage-Cone Frontface Clearance |
4.8 mm |
| Aa - Cage-Cone Backface Clearance |
3.6 mm |
| a - Effective Center Location3 |
-11.4 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
34800 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
134000 lbf |
| C0 - Static Radial Rating |
210000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
19000 lbf |
| K - Factor7 |
1.83 |
| e - ISO Factor8 |
0.32 |
| Y - ISO Factor9 |
1.88 |
| G1 - Heat Generation Factor (Roller-Raceway) |
533 |
| G2 - Heat Generation Factor (Rib-Roller End) |
85.9 |
| Cg - Geometry Factor |
0.133 |
Company Profile
| Worktime |
9:00-18:00(BeiJing time) |
| Phone |
86-13563849567 |