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NNU4068 KOYO Double-row cylindrical roller bearings

Name: NNU4068 KOYO Double-row cylindrical roller bearings
Brand: KOYO
SKU: NNU4068
Rating: 4.9 (5 reviews)

KOYO NNU4068 Bearing SPECIFICATIONS

Brand Name:KOYO
Model Number:
NNU4068
Series:16000
Cone Part Number:16137
Cup Part Number:16284
Design Units:Imperial
Bearing Weight:0.4 Kg
Cage Type:Stamped Steel
d:34.925 mm
D:72.238 mm

Download KOYO NNU4068 Spec Sheet

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NNU4068 KOYO Double-row cylindrical roller bearings Details

Series:16000
Cone Part Number:16137
Cup Part Number:16284
Design Units:Imperial
Bearing Weight:0.4 Kg
Cage Type:Stamped Steel
d:34.925 mm
D:72.238 mm
B - Cone Width:20.638 mm
C - Cup Width:15.875 mm
B:20.638 mm
R - Cone Backface To Clear Radius1:3.560 mm
r - Cup Backface To Clear Radius2:1.27 mm
da - Cone Frontface Backing Diameter:40.39 mm
db - Cone Backface Backing Diameter:46.99 mm
Da - Cup Frontface Backing Diameter:67.10 mm
Db - Cup Backface Backing Diameter:62.99 mm
Ab - Cage-Cone Frontface Clearance:1.8 mm
Aa - Cage-Cone Backface Clearance:0.5 mm
a - Effective Center Location3:-4.1 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:3300 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:12700 lbf
C0 - Static Radial Rating:14800 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:2270 lbf
K - Factor7:1.45
e - ISO Factor8:0.4
Y - ISO Factor9:1.49
G1 - Heat Generation Factor (Roller-Raceway):20.3
G2 - Heat Generation Factor (Rib-Roller End):10.6
Cg - Geometry Factor:0.0707

NNU4068 KOYO Double-row cylindrical roller bearings pdf

KOYO NNU4068 Full Complement Cylindrical Roller Bearings Description

Chamfer	1.5 mm
B	28 mm
Da	188 mm
Inner rings PCD	139 mm
da	168 mm
Mounting Hole Size	9 mm
Mounting Hole Depth	8.6 mm
Static Load Rating	131.9 kN
Dynamic Load Rating	73.1 kN
Number of Mounting Holes	12
Mounting Hole Countersink Diameter	14 mm
Outer rings PCD	217 mm
Thread Size	M8
Oil Holes	3 mm
d	115 mm
D	240 mm

Answers to Your Dimensions Question
No.	Brand	d	C	D	B	B1	C0	B2	d1
4068	Ruville	-	-	-	-	-	-	-	-
24068E	NACHI	340 mm	4100 kN	520 mm	180 mm	-	6050 kN	-	-
24068EK30	NACHI	340 mm	4100 kN	520 mm	180 mm	-	6050 kN	-	-
24068-K30-MB-W33+AH24068	NKE	340 mm	3007 kN	520 mm	180 mm	206 mm	6196 kN	225 mm	320 mm
24068-MB-W33	NKE	340 mm	3007 kN	520 mm	180 mm	-	6196 kN	-	-
24068B	NTN	340 mm	3 000 kN	520 mm	180 mm	-	6 200 kN	-	-
24068BK30	NTN	340 mm	3 000 kN	520 mm	180 mm	-	6 200 kN	-	-
24068CAE4	NSK	340 mm	2920 kN	520 mm	180 mm	-	6050 kN	-	-
24068CAK30E4	NSK	340 mm	2920 kN	520 mm	180 mm	-	6050 kN	-	-
24068CAK30W33	AST	340	-	520	-	-	-	-	-
24068CAW33	AST	340	-	520	-	-	-	-	-

NNU4084-1 KOYO Double-row cylindrical roller bearings	B12 mmMounting Hole Size3.4 mmInner rings PCD28 mmMounting Hole Depth3.3 mmStatic Load Rating9.16 kNOuter rings PCD57 mmD70 mmDynamic Load Rating8.26 kNd20 mmda35 mmNumber of Mounting Holes6Thread SizeM3Oil Holes3 mmMounting Hole Countersink Diameter6.5 mmDa47 mmChamfer0.6 mm
88NNU6523 KOYO Double-row cylindrical roller bearings	Dynamic Load Rating28.1 kNd120 mmRadius1 mmStatic Load Rating50.3 kNOil Holes2.5 mmDa143 mmda126 mmD150 mmB16 mm
NN3084 KOYO Double-row cylindrical roller bearings	Oil Holes3 mmRadius2 mmD280 mmB30 mmd200 mmDa248 mmDynamic Load Rating122.9 kNStatic Load Rating242 kNda231 mm
NNU4088A KOYO Double-row cylindrical roller bearings	D90 mmda67 mmOil Holes2 mmB13 mmDynamic Load Rating20.3 kNd60 mmDa82 mmRadius0.6 mmStatic Load Rating27 kN
84DC6022 KOYO Double-row cylindrical roller bearings	Series:16000; Cone Part Number:16137; Cup Part Number:16284; Design Units:Imperial; Bearing Weight:0.4 Kg; Cage Type:Stamped Steel; d:34.925 mm; D:72.238 mm; B - Cone Width:20.638 mm; C - Cup Width:15.875 mm; B:20.638 mm; R - Cone Backface To Clear Radius1:3.560 mm; r - Cup Backface To Clear Radius2:1.27 mm; da - Cone Frontface Backing Diameter:40.39 mm; db - Cone Backface Backing Diameter:46.99 mm; Da - Cup Frontface Backing Diameter:67.10 mm; Db - Cup Backface Backing Diameter:62.99 mm; Ab - Cage-Cone Frontface Clearance:1.8 mm; Aa - Cage-Cone Backface Clearance:0.5 mm; a - Effective Center Location3:-4.1 mm; C90 - Dynamic Radial Rating (90 million revolutions)4:3300 lbf; C1 - Dynamic Radial Rating (1 million revolutions)5:12700 lbf; C0 - Static Radial Rating:14800 lbf; Ca90 - Dynamic Thrust Rating (90 million revolutions)6:2270 lbf; K - Factor7:1.45; e - ISO Factor8:0.4; Y - ISO Factor9:1.49; G1 - Heat Generation Factor (Roller-Raceway):20.3; G2 - Heat Generation Factor (Rib-Roller End):10.6; Cg - Geometry Factor:0.0707;
80NNU6017 KOYO Double-row cylindrical roller bearings	Da238 mmOil Holes2.5 mmd200 mmRadius2 mmStatic Load Rating166.4 kNDynamic Load Rating82.3 kNB25 mmda218 mmD260 mm
NNU4988 KOYO Double-row cylindrical roller bearings	B20 mmOil Holes2.5 mmStatic Load Rating60.2 kNDa120 mmDynamic Load Rating39.7 kND140 mmda104 mmRadius1 mmd90 mm
88DC62225 KOYO Double-row cylindrical roller bearings	B13 mmD110 mmOil Holes2 mmd80 mmDa102 mmRadius0.6 mmda87 mmStatic Load Rating34.2 kNDynamic Load Rating22.8 kN
86DC7528 KOYO Double-row cylindrical roller bearings	B16 mmDa143 mmStatic Load Rating50.3 kND150 mmda126 mmRadius1 mmd120 mmDynamic Load Rating28.1 kNOil Holes2.5 mm
82DC6022 KOYO Double-row cylindrical roller bearings	Da238 mmOil Holes2.5 mmd200 mmRadius2 mmStatic Load Rating166.4 kNDynamic Load Rating82.3 kNB25 mmda218 mmD260 mm
NNU4984 KOYO Double-row cylindrical roller bearings	da112 mmDa129 mmD140 mmStatic Load Rating52.3 kNB16 mmRadius1 mmd100 mmDynamic Load Rating32.5 kNOil Holes2.5 mm
NNU408 KOYO Double-row cylindrical roller bearings	D80 mmB13 mmDa72 mmd50 mmda57.2 mmOil Holes2 mmDynamic Load Rating18.9 kNStatic Load Rating23.4 kNRadius0.6 mm

NNU4068 KOYO Double-row cylindrical roller bearings Video

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KOYO NNU4068 INTERCHANGE

Full Complement Cylindrical Roller Bearings Part series NNU4068 is a potential replacement for these common bearing part numbers:

NSKNNU4068
SKFNNU4068
NTNNNU4068
FAGNNU4068
TIMKENNNU4068
KOYONNU4068
NACHINNU4068
DODGENNU4068

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