Home>Products>Needle Roller Bearings>38 mm x 53 mm x 30 mm KOYO NKJ38/30 Needle Roller Bearings
KOYO NKJ38/30 MODELS
Need a CAD or 3D Model?
38 mm x 53 mm x 30 mm KOYO NKJ38/30 Needle Roller Bearings
Needle Roller Bearings
KOYO NKJ38/30 Bearing SPECIFICATIONS
38 mm x 53 mm x 30 mm KOYO NKJ38/30 Needle Roller Bearings with Powder Coated finish/coating: easy-to-use 38 mm x 53 mm x 30 mm parts graphics, giving you the NTN Bearing Rolamentos do Brasil Ltda. ability to check parts availability, Needle Roller Bearings pricing, examine remanufactured options.
- KOYO
NKJ38/30
- 6.3125 in
- Powder Coated
- Cast Iron
- Lubrication Fitting
- Concentric Collar
- Round
- 3.1250 in
- Spherical Roller
-
NTN Bearing Rolamentos do Brasil Ltda.2020-07-10 09:46:19
Welcome to my shop! Glad to serve you! Please send your question!
38 mm x 53 mm x 30 mm KOYO NKJ38/30 Needle Roller BearingsSpecifications
- 6.3125 in
- Powder Coated
- Cast Iron
- Lubrication Fitting
- Concentric Collar
- Round
- 3.1250 in
- Spherical Roller
- 7-13/16 to 9-7&
- 1150 RPM
- 38 mm x 53 mm x 30 mm
KOYO NKJ38/30 38 mm x 53 mm x 30 mm KOYO NKJ38/30 Needle Roller BearingsProduct description
KOYO NKJ38/30 bearing Size Chart (mm/inches) | |
---|---|
Bearing number | 7044 ACD/P4A |
Size (mm) | 340x220x56 |
Bore Diameter (mm) | 340 |
Outer Diameter (mm) | 220 |
Width (mm) | 56 |
d | 220 mm |
D | 340 mm |
B | 56 mm |
d1 | 257 mm |
d2 | 257 mm |
D1 | 303 mm |
r1,2 - min. | 3 mm |
r3,4 - min. | 1.5 mm |
a | 93.6 mm |
da - min. | 233 mm |
db - min. | 233 mm |
Da - max. | 327 mm |
Db - max. | 334 mm |
ra - max. | 2.5 mm |
rb - max. | 1.5 mm |
dn | 267.1 mm |
Basic dynamic load rating - C | 319 kN |
Basic static load rating - C0 | 440 kN |
Fatigue load limit - Pu | 11 kN |
Limiting speed for grease lubrication | 3600 r/min |
Limiting speed for oil lubrication | 5300 mm/min |
Ball - Dw | 38.1 mm |
Ball - z | 21 |
Gref | 201 cm3 |
Calculation factor - e | 0.68 |
Calculation factor - Y2 | 0.87 |
Calculation factor - Y0 | 0.38 |
Calculation factor - X2 | 0.41 |
Calculation factor - Y1 | 0.92 |
Calculation factor - Y2 | 1.41 |
Calculation factor - Y0 | 0.76 |
Calculation factor - X2 | 0.67 |
Preload class A - GA | 2000 N |
Preload class B - GB | 4000 N |
Preload class C - GC | 8000 N |
Preload class D - GD | 16000 N |
Calculation factor - f | 1.13 |
Calculation factor - f1 | 0.99 |
Calculation factor - f2A | 1 |
Calculation factor - f2B | 1.02 |
Calculation factor - f2C | 1.05 |
Calculation factor - f2D | 1.08 |
Calculation factor - fHC | 1 |
Preload class A | 546 N/micron |
Preload class B | 710 N/micron |
Preload class C | 935 N/micron |
Preload class D | 1254 N/micron |
Category | Precision Ball Bearings |
Inventory | 0.0 |
Manufacturer Name | SKF |
Minimum Buy Quantity | N/A |
Weight / Kilogram | 18.957 |
EAN | 7316570222104 |
Product Group | B04270 |
Enclosure | Open |
Precision Class | ABEC 7 | ISO P4 |
Material - Ball | Steel |
Number of Bearings | 1 (Single) |
Contact Angle | 25 Degree |
Preload | None |
Raceway Style | 1 Rib Outer Ring |
Cage Material | Phenolic |
Rolling Element | Ball Bearing |
Flush Ground | No |
Inch - Metric | Metric |
Other Features | Single Row | Angular Contact | High Precision |
Long Description | 220MM Bore; 340MM Outside Diameter; 56MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearings; 25 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring R |
Category | Precision Ball Bearings |
UNSPSC | 31171531 |
Harmonized Tariff Code | 8482.10.50.28 |
Noun | Bearing |
Keyword String | Angular Contact Ball |
Manufacturer URL | http://www.skf.com |
Manufacturer Item Number | 7044 ACD/P4A |
Weight / LBS | 41.756 |
Bore | 8.661 Inch | 220 Millimeter |
Outside Diameter | 13.386 Inch | 340 Millimeter |
Width | 2.205 Inch | 56 Millimeter |
d1 | 257 mm |
d2 | 257 mm |
D1 | 303 mm |
r1,2 min. | 3 mm |
r3,4 min. | 1.5 mm |
da min. | 233 mm |
db min. | 233 mm |
Da max. | 327 mm |
Db max. | 334 mm |
ra max. | 2.5 mm |
rb max. | 1.5 mm |
dn | 267.1 mm |
Basic dynamic load rating C | 319 kN |
Basic static load rating C0 | 440 kN |
Fatigue load limit Pu | 11 kN |
Attainable speed for grease lubrication | 3600 r/min |
Attainable speed for oil-air lubrication | 5300 r/min |
Ball diameter Dw | 38.1 mm |
Number of balls z | 21 |
Reference grease quantity Gref | 201 cm³ |
Preload class A GA | 2000 N |
Static axial stiffness, preload class A | 546 N/µm |
Preload class B GB | 4000 N |
Static axial stiffness, preload class B | 710 N/µm |
Preload class C GC | 8000 N |
Static axial stiffness, preload class C | 935 N/µm |
Preload class D GD | 16000 N |
Static axial stiffness, preload class D | 1254 N/µm |
Calculation factor f | 1.13 |
Calculation factor f1 | 0.99 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.02 |
Calculation factor f2C | 1.05 |
Calculation factor f2D | 1.08 |
Calculation factor fHC | 1 |
Calculation factor e | 0.68 |
Calculation factor (single, tandem) Y2 | 0.87 |
Calculation factor (single, tandem) Y0 | 0.38 |
Calculation factor (single, tandem) X2 | 0.41 |
Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
Calculation factor (back-to-back, face-to-face) Y0 | 0.76 |
Calculation factor (back-to-back, face-to-face) X2 | 0.67 |
Mass bearing | 16.1 kg |
KOYO NKJ38/30 INTERCHANGE
Needle Roller Bearings Part series NKJ38/30 is a potential replacement for these common bearing part numbers:
NKJ38/30
NKJ38/30
NKJ38/30
NKJ38/30
NKJ38/30
NKJ38/30
NKJ38/30
NKJ38/30
Contact Us

- NTN Bearing Rolamentos do Brasil Ltda.
- AddressAv. Das Industrias, 380 - Parque Industrial - CEP 83.820-332 - Fazenda Rio Grande - PR - BRAZIL
- Phone(Working Time)627-52-65
- Fax
KOYO NKJ38/30 Technical Articles
Can Vinegar Clean bearings? |
Can your tire fall off if you have a bad wheel bearing? |
Do bearing packers work? |
Needle Roller Bearings CATEGORIES
- Angular Contact Ball Bearings
- Bearing Units
- Cylindrical Roller Bearings
- Deep Groove Ball Bearings
- Needle Roller Bearings
- Plain Bearings
- Self Aligning Ball Bearings
- Spherical Roller Bearings
- Tapered Roller Bearings
- Thrust Ball Bearings
- Thrust Roller Bearings
- Wheel Bearings
- NU 319 Bearing
- Ge 15 ES Bearing
- SKF 22215 EK Bearing
- Nu 322 Bearing