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NNU4921 NSK CYLINDRICAL ROLLER BEARING

Name: NNU4921 NSK CYLINDRICAL ROLLER BEARING
Brand: NSK
SKU: NNU4921
Rating: 4.9 (5 reviews)

NSK NNU4921 Bearing SPECIFICATIONS

Advance NNU4921 NSK CYLINDRICAL ROLLER BEARING is your Imperial Design Units source for quality Crossed Roller Bearing and accessories. -0.23 in a - Effective Center Location4 shop China 6203 Bearing Supplier online for home delivery or pick up in one of our 10000 .
Brand Name:NSK
Model Number:
NNU4921
a - Effective Center Location4:-0.23 in
Design Units:Imperial
B - Cone Width:0.8125 in
C1 - Dynamic Radial Rating (1 million revolutions)6:13500 lbf
Cg - Geometry Factor:0.0606
db - Cone Backface Backing Diameter:1.48 in
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:23400 lbf
G1 - Heat Generation Factor (Roller-Raceway):14.6

Download NSK NNU4921 Spec Sheet

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Information techniques NNU4921 NSK CYLINDRICAL ROLLER BEARING

a - Effective Center Location4:-0.23 in
Design Units:Imperial
B - Cone Width:0.8125 in
C1 - Dynamic Radial Rating (1 million revolutions)6:13500 lbf
Cg - Geometry Factor:0.0606
db - Cone Backface Backing Diameter:1.48 in
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:23400 lbf
G1 - Heat Generation Factor (Roller-Raceway):14.6
Aa - Cage-Cone Backface Clearance:0.03 in
C0 - Static Radial Rating:12100 lbf
Cone Part Number:15119
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:6080 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:2090 lbf
d:1.1895 in
R - Cone Backface To Clear Radius3:0.06 in
C90 - Dynamic Radial Rating (90 million revolutions)5:3490 lbf
Ab - Cage-Cone Frontface Clearance:0.07 in
G2 - Heat Generation Factor (Rib-Roller End):10
Series:15000
Cage Type:Stamped Steel

NNU4921 NSK CYLINDRICAL ROLLER BEARING pdf

NSK NNU4921 NNU4921 NSK CYLINDRICAL ROLLER BEARING Characteristics

No.	Brand	N	A	F	G	d	J	H	E
NNU304	NSK	-	-	-	-	2.2500 in	-	-	-
NN3926	NSK	-	-	-	-	305.054 mm	-	-	-
NNU3034K	NSK	-	-	-	-	-	-	-	-
NN3924K	NSK	-	-	-	-	75 mm	-	-	-
NN3032K	NSK	-	-	-	-	110 mm	-	-	-
NNU4956	NSK	-	-	-	-	-	-	-	-
NN303	NSK	-	-	-	-	500 mm	-	-	-
NN3928	NSK	-	-	-	-	180 mm	-	-	-
NNU4924K	NSK	-	-	-	-	-	-	-	-
NN3936	NSK	-	-	-	-	-	-	-	-
NN4952	NSK	-	-	-	-	100 mm	-	-	-
NN3088K	NSK	-	12.8125 in	10.5 in	-	-	-	25.7500 in	35.7500 in
NN3038K	NSK	-	-	-	Tr380x5	-	-	-	-
NN3936K	NSK	-	-	-	-	2.6250 in	-	-	-
NN4956K	NSK	-	-	-	-	-	-	-	-
NNU4992	NSK	-	-	-	-	-	-	-	-
NNU4932	NSK	-	-	-	-	70 mm	-	-	-
NN3044	NSK	-	-	-	-	280 mm	-	-	-
NN3940K	NSK	-	-	-	-	2.8750 in	-	-	-
NNU3044	NSK	-	-	-	-	146.050 mm	-	-	-
NN3022K	NSK	-	-	-	-	150 mm	-	-	-
NN4996	NSK	-	-	-	-	-	-	-	-

NN3924 NSK CYLINDRICAL ROLLER BEARING	Housing Width:9.5 in; Dimension K:7.5 in; Series Type:Medium Series; Dimension H1:2.0 in; Ca - Axial Load Rating:20188 lbf; Dimension L:29.5 in; Weight:878 lb; Cr - Dynamic Load Rating:255833 lbf; Cor - Static Load Rating:374981 lbf; Maximum Speed:850 rpm; Seal Type:High Temperature Pac; Bearing - Housing - Seal:MSE808BRHHTPS; Support Type:Four-Bolt Plummer Bl; Dimension H:12.756 in; Bearing UPC:013992033208;
NNU486 NSK CYLINDRICAL ROLLER BEARING	Total Length L:117.5 mm; Static Load Rating:3440 lbf; Bolt Hole Size N:12 mm; Dimension D:3.500 in; Shaft Size d:1 3/8 in; Inside Ring Width B:=Bearings1_Inside Ri; Bearing Number:GY1106KRRB SGT; Seal Type:Shroud Seal; Dynamic Load Rating:6400 lbf; Center of Bearing from Housing End A2:20.75 mm; Bolt Size:M12; Total Height:117.5 mm; Flange Thickness A1:13.5 mm; Center of Bearing from Bearing End S:17 mm;
NN3936 NSK CYLINDRICAL ROLLER BEARING	Ab - Cage-Cone Frontface Clearance:5.3 mm; a - Effective Center Location3:7.9 mm; r - Cup Backface To Clear Radius2:3.30 mm; C0 - Static Radial Rating:290000 lbf; Cup Part Number:J93129A; G2 - Heat Generation Factor (Rib-Roller End):126.1; Da - Cup Frontface Backing Diameter:298.50 mm; B - Cone Width:63.5 mm; G1 - Heat Generation Factor (Roller-Raceway):912.5; D:319.999 mm; Cone Part Number:93800A;
NN3928 NSK CYLINDRICAL ROLLER BEARING	D:320 mm; ra (max):3 mm; Da (max):302 mm; Radial Clearance:0.120 to 0.170 mm; dd (min):233 mm; ra1 (max):3 mm; Inside Ring Outside Diameter:218 mm; Configuration:Single Row; Bore Type:Cylindrical Bore; db (max):214 mm; Dynamic Load Rating:495,000 N; d:180 mm; r1:4 mm; dc (min):221 mm; Limiting Speed - Grease:1,900 rpm; Enclosure:Open; db (min):198 mm; Static Load Rating:675,000 N; Fillet Radius/Chamfer:4 mm;
NNU4938 NSK CYLINDRICAL ROLLER BEARING	Maximum Speed:4630 rpm; Dimension S:1.1 in; Bearing Type:Split Cylindrical Re; Bearing UPC:013992025500; Dimension P:0.6 in; Dimension Y:0.5 in; Dimension B:4.5 in; Bearing Number:LSE111BR; Seal Type:Viton Single Lip; Bearing - Housing - Seal:LSE111BRHRSS; Ca - Axial Load Rating:809.30 lbf; Cor - Static Load Rating:19558 lbf; Series Type:Light Series; Support Type:Take-Up; Bearing - Housing - Seal UPC:013992091123;
NN3024 NSK CYLINDRICAL ROLLER BEARING	Engineering Group:Mounted Bearing; Oil Lubrication - T Seal:3200 rpm; Weight:25 lb; Eng Internal Radial Clearance - Min:0.0030; UPC Code:0883450148658; Dimension E:2.00 in; Dimension F:10.31 in; Dimension RVV:0.67 in; Grease Lubrication - M/N Seal:1800 rpm; Grease Lubrication - B/C/O Seal:1500 rpm; Dimension G:3.2500 in; Dimension SVV:4.02 in; Housing Style:Four-Bolt Pillow Blo; Oil Lubrication - B/C/O Seal:1500 rpm;
NNU4920K NSK CYLINDRICAL ROLLER BEARING	d:4.3125 in; db - Cone Backface Backing Diameter:4.84 in; C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:11700 lbf; Ab - Cage-Cone Frontface Clearance:0.15 in; Aa - Cage-Cone Backface Clearance:0.08 in; C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:45100 lbf; da - Cone Frontface Backing Diameter:4.57 in; C90 - Dynamic Radial Rating (90 million revolutions)5:6710 lbf;
NN3934 NSK CYLINDRICAL ROLLER BEARING	Db - Cup Backface Backing Diameter:192.02 mm; B - Cone Width:66.675 mm; R - Cone Backface To Clear Radius1:7.110 mm; Series:HH224300; Design Units:Imperial; d:114.976 mm; Cup Part Number:HH224310V; a - Effective Center Location3:-18.8 mm; K - Factor7:1.79; Cone Part Number:HH224349; G2 - Heat Generation Factor (Rib-Roller End):47.9; C - Cup Width:53.975 mm; C1 - Dynamic Radial Rating (1 million revolutions)5:153000 lbf;
NNU4932 NSK CYLINDRICAL ROLLER BEARING	Bearing Weight:0.340 Kg; Limiting Speed (Oil):32800 rpm; Precision Class:ISO P4S (ABEC 7/9); r - Outer Ring To Clear Radius3:1.0 mm; Design Units:METRIC; D:100 mm; C0 - Static Radial Rating:14770 N; da - Inner Ring Backing Diameter:76.300 mm; Bearing Width:16 mm; Ce - Dynamic Radial Rating1:21300 N; Ball Type:STEEL; do - Ball Diameter:8.73125 mm; R - Inner Ring To Clear Radius2:1.0 mm; Contact Angle:15 º;
NN3156K NSK CYLINDRICAL ROLLER BEARING	B:49.213 mm; Bearing Weight:9.9 Kg; Da - Cup Frontface Backing Diameter:306.58 mm; Cage Type:Stamped Steel; Ab - Cage-Cone Frontface Clearance:4.1 mm; d:234.95 mm; B - Cone Width:49.213 mm; C - Cup Width:36.513 mm; Cg - Geometry Factor:0.137; Series:LM545800; Cone Part Number:LM545849A; C1 - Dynamic Radial Rating (1 million revolutions)5:117000 lbf; Ca90 - Dynamic Thrust Rating (90 million revolutions)6:20600 lbf;
NN3072K NSK CYLINDRICAL ROLLER BEARING	Pre Install Clearance Max:0.0079 in; Grease Lubrication - B/C/O Seal:350 rpm; Y2 - Geometry Factor:3.98; Weight:88 lb; Oil Lubrication - M/N Seal:650 rpm; UPC Code:0883450098045; Dimension H:1.92 in; Eng Internal Radial Clearance - Min:0.0063; Locking Style:Single V-Lock; Dimension L:5.83 in; Full Timken Part Number:QVSN28V130SB; Bearing Number:22228; Dimension F:19.68 in; Float:0.083 in; Y1 - Geometry Factor:2.67;
NNU3164 NSK CYLINDRICAL ROLLER BEARING	Bore Type:Cylindrical Bore; da (min):87 mm; Configuration:Single Row; d:75 mm; Snap Ring Outside Diameter:169.7 mm; B:37 mm; Enclosure:Snap Ring Groove wit; ra (max):2 mm; Static Load Rating:77,000 N; D1 (max):155.2 mm; Limiting Speed - Oil:5,000 rpm; Dx (min):172 mm; Cy (max):7.3 mm; b (min):3.1 mm; a (max):4.9 mm; Dynamic Load Rating:113,000 N; Weight:3.020 kg; Da (max):148 mm; r1:0.5 mm; D:160 mm;

NNU4921 NSK CYLINDRICAL ROLLER BEARING Video

NSK NNU4921 INTERCHANGE

Crossed Roller Bearing Part series NNU4921 is a potential replacement for these common bearing part numbers:

NSKNNU4921
SKFNNU4921
NTNNNU4921
FAGNNU4921
TIMKENNNU4921
KOYONNU4921
NACHINNU4921
DODGENNU4921

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