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Home>Products>Spherical Roller Bearing>NNU4948K NSK CYLINDRICAL ROLLER BEARING

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NNU4948K NSK CYLINDRICAL ROLLER BEARING

Name: NNU4948K NSK CYLINDRICAL ROLLER BEARING
Brand: NSK
SKU: NNU4948K
Rating: 4.9 (5 reviews)

NSK NNU4948K Bearing SPECIFICATIONS

Online shopping NNU4948K NSK CYLINDRICAL ROLLER BEARING AMERICAN BEARING MFG.CORP. from a 128161 Cup Part Number great selection at 7.4 mm Aa - Cage-Cone Backface Clearance Store. ... Spherical Roller Bearing Accessories. 69.850 mm B
Brand Name:NSK
Model Number:
NNU4948K
B:69.850 mm
Cup Part Number:128161
Aa - Cage-Cone Backface Clearance:7.4 mm
B - Cone Width:67.673 mm
K - Factor7:1.51
da - Cone Frontface Backing Diameter:307.09 mm
G1 - Heat Generation Factor (Roller-Raceway):1622.7
Ab - Cage-Cone Frontface Clearance:2.3 mm

Download NSK NNU4948K Spec Sheet

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Spherical Roller Bearing Cross References

B:69.850 mm
Cup Part Number:128161
Aa - Cage-Cone Backface Clearance:7.4 mm
B - Cone Width:67.673 mm
K - Factor7:1.51
da - Cone Frontface Backing Diameter:307.09 mm
G1 - Heat Generation Factor (Roller-Raceway):1622.7
Ab - Cage-Cone Frontface Clearance:2.3 mm
Db - Cup Backface Backing Diameter:378.97 mm
R - Cone Backface To Clear Radius1:6.860 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:50600 lbf
G2 - Heat Generation Factor (Rib-Roller End):240.4
db - Cone Backface Backing Diameter:309.12 mm
Series:128000
Da - Cup Frontface Backing Diameter:384.30 mm
e - ISO Factor8:0.39
Cone Part Number:EE128111
C0 - Static Radial Rating:374000 lbf
a - Effective Center Location3:6.6 mm
Cage Type:Stamped Steel

NNU4948K NSK CYLINDRICAL ROLLER BEARING pdf

NSK NNU4948K NNU4948K NSK CYLINDRICAL ROLLER BEARING Specifications

No.	Brand	D	C	J	A	H	B	S	F
90TRL08	NSK	-	-	-	-	-	-	-	-
110TRL02	NSK	-	-	-	-	-	21.750 mm	-	-
NN3922	NSK	-	-	-	-	-	-	-	-
NN4936	NSK	-	-	-	-	-	-	-	-
NNU316	NSK	-	-	-	-	-	21.500 mm	-	-
35UMB08	NSK	1.9687 in	-	-	-	-	-	-	-
NN4836	NSK	-	-	-	-	-	-	-	-
NN3028K	NSK	-	-	-	-	-	-	-	-
NN3038K	NSK	6.3750 in	-	-	-	-	-	-	-
NN4964	NSK	-	-	-	-	-	-	-	-
149TV01	NSK	-	-	-	-	-	-	-	-
NN3948K	NSK	-	-	-	-	-	-	-	-
NN3152	NSK	-	-	-	-	-	-	70.0 mm	-
NNU493	NSK	-	-	-	-	-	2.1250 in	-	-
NN3928	NSK	-	-	-	-	-	-	-	-
NN3040K	NSK	-	-	-	-	-	-	-	-
NN4968	NSK	-	-	-	-	-	-	-	-
NN3038	NSK	125 mm	-	-	-	-	-	-	-
NNU3176	NSK	-	-	-	-	-	-	-	-
554TFV01	NSK	-	-	-	-	-	-	-	-
NN4924	NSK	3.7500 in	-	-	-	-	-	-	-
150RUBE40PV	NSK	393.7 mm	-	-	-	-	73.817 mm	-	-
30RCV17	NSK	0.979 in	7.130 in	-	-	0.229 in	-	-	-
2M130-8	NSK	-	-	-	-	-	-	-	-
NN4930K	NSK	82.000 mm	-	-	-	-	21.500 mm	-	-
NN496	NSK	-	-	-	-	-	-	-	-

NN306 NSK CYLINDRICAL ROLLER BEARING	Dimension G:4.040 in; Shaft Size :4 in; Grease Lubrication - B/C/O Seal:600 rpm; Dimension L:4.59 in; Dimension B:8.65 in; Eng Internal Radial Clearance - Min:0.0053; e - Geometry Factor:0.25; Dimension F:14.25 in; Pre Install Clearance Min:0.0053 in; Shaft Size Type:Imperial; C - Dynamic Load (Basic):125000 lb; C0 - Static Load:147000 lb; Engineering Group:Mounted Bearing; Full Timken Part Number:QVP22V400SB;
NN3021K NSK CYLINDRICAL ROLLER BEARING	Bearing Weight:15.900 Kg; C1 - Dynamic Radial Rating (1 million revolutions)5:143000 lbf; B - Cone Width:61.999 mm; e - ISO Factor8:0.36; Da - Cup Frontface Backing Diameter:343.41 mm; db - Cone Backface Backing Diameter:281.94 mm; a - Effective Center Location3:5.1 mm; Cup Part Number:LM451310V; B:57.150 mm; da - Cone Frontface Backing Diameter:277.88 mm; C0 - Static Radial Rating:296000 lbf; G2 - Heat Generation Factor (Rib-Roller End):193.7;
NN3926 NSK CYLINDRICAL ROLLER BEARING	C0 - Static Radial Rating:1020000 N; Design Units:METRIC; Ca90 - Dynamic Thrust Rating (90 million revolutions)6:120000 N; Bearing Weight:10.5 Kg; Cone Part Number:X32034XM; G1 - Heat Generation Factor (Roller-Raceway):628.5; C90 - Dynamic Radial Rating (90 million revolutions)4:158000 N; C - Cup Width:43 mm; G2 - Heat Generation Factor (Rib-Roller End):142.4; Ab - Cage-Cone Frontface Clearance:3.8 mm;
320TFV01 NSK Thrust Tapered Roller Bearing	Cr - Dynamic Load Rating:233127 lbf; Note:This product line wa; Seal Type:Viton Single Lip; Bearing Type:Split Cylindrical Re; Bolt Size:4 x M30; Dimension H2:21.1 in; Dimension K:4.7 in; Pillow/Plummer Block Style:Split Cylindrical Ho; Bearing - Housing - Seal:HSM150BRHRSS; Shipping Weight:869 lb; Maximum Speed:1220 rpm; Housing Width:9.1 in; Support Type:Four-Bolt Plummer Bl; Bearing Number:HSM150BR;
NN3138 NSK CYLINDRICAL ROLLER BEARING	Cage Material:Brass; C0 - Static Radial Rating:1050000 N; C1(2) - Dynamic Radial Rating (Two-Rows):949000 N; Cg - Geometry Factor8:0.0792; d:110 mm; B - Inner Ring Width:80 mm; da - Inner Ring Backing Diameter:144.0 mm; Superseded Part:22322YMW800C4; Da - Outer Ring Backing Diameter:215.000 mm; Cage Type:EM; UPC Code:087796027176; Y1 - ISO Factor5:3.1; Design Unit:METRIC; Reference Thermal Speed Rating (Grease):2200;
NNU4920K NSK CYLINDRICAL ROLLER BEARING	Cr - Dynamic Load Rating:31041 lbf; Bolt Size:4 x 5/8; Bearing Number:LSE300BX; Dimension L :12-19/32 in; Housing Width:4.4 in; Dimension M :3-1/2 in; Dimension J2 :9-7/8 in; Series Type:Light Series; Seal Type:High Temperature Pac; Dimension H :3-3/4 in; Dimension K :2-1/8 in; Maximum Speed:3310 rpm; Bearing UPC:013992026156; Note:This product line wa; Bearing Type:Split Cylindrical Ex;
NNU4968 NSK CYLINDRICAL ROLLER BEARING	K - Factor3:1.83; Y - ISO Factor1:1.88; r - Cup Frontface To Clear Radius2:0.06 in; Y1 - ISO Factor5:2.12; Da - Cup Frontface Backing Diameter:8.84 in; Design Units:Imperial; Cg - Geometry Factor8:0.133; e - ISO Factor4:0.32; Y2 - ISO Factor6:3.15; C - Double Cup Width:4.1875 in; G2 - Heat Generation Factor (Rib-Roller End):85.9; G1 - Heat Generation Factor (Roller-Raceway)7:533; D:9.5000 in; Series:HM231100;
NN3924K NSK CYLINDRICAL ROLLER BEARING	Dimension L:315 mm; Cr - Dynamic Load Rating:31024 lbf; Dimension H:95 mm; Bearing Type:Split Cylindrical Ex; Cor - Static Load Rating:36194 lbf; Support Type:Two-Bolt Plummer Blo; Series Type:Light Series; Bearing UPC:013992025982; Dimension J:260 mm; Note:This product line wa; Shaft Size:2-11/16 in; Seal Type:Kevlar Packing Seal; Dimension H2:208 mm; Maximum Speed:3310 rpm; Dimension M:90 mm; Pillow/Plummer Block Style:Split Cylindrical Ho;
NNU3024 NSK CYLINDRICAL ROLLER BEARING	C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4:23000 lbf; G1 - Heat Generation Factor (Roller-Raceway)11:16.1; R - Cone Backface To Clear Radius1:0.06 in; B - Cone Width:0.7450 in; Da - Cup Frontface Backing Diameter:2.60 in; db - Cone Backface Backing Diameter:1.56 in; C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5:5960 lbf; Cage Type:Stamped Steel; Design Units:Imperial;
NN3044 NSK CYLINDRICAL ROLLER BEARING	Bolt Hole Width N:14.22 mm; Foot Height H1:18.3 mm; Bolt Hole Spacing J:130.2 mm; Total Height H2:93.6 mm; Dynamic Load Rating:6400 lbf; Weight:2.860 lb; Bolt Hole Length N1:24.64 mm; Housing Style:Two-Bolt Pillow Bloc; Inside Ring Width B:=Bearings1_Inside Ri; Dimension L1:55.6 mm; Total Width A:1.780 in; Static Load Rating:3440 lbf; Inside Ring Outside Diameter:1.844 in; Bearing Type:Ball Bearing;
NN3934 NSK CYLINDRICAL ROLLER BEARING	Dimension J2 :14-1/2 in; Dimension J1 :16 in; Dimension M :5-1/8 in; Bearing Number:LSE404BR; Bearing UPC:013992026712; Housing Width:5.5 in; Bolt Size:4 x 7/8; Dimension H2:12.3 in; Support Type:Four-Bolt Plummer Bl; Maximum Speed:1970 rpm; Pillow/Plummer Block Style:Split Cylindrical Ho; Cr - Dynamic Load Rating:71105 lbf; Dimension L :18-3/8 in; Bearing Type:Split Cylindrical Re;
60TRL02B NSK Thrust Tapered Roller Bearing	C0 - Static Radial Rating:8100 N; d:20 mm; Bearing Weight:0.103 Kg; r - Outer Ring To Clear Radius3:1.0 mm; da - Inner Ring Backing Diameter:25.800 mm; Design Units:METRIC; Ball Type:STEEL; Cage Type:CR - Phenolic Outer; Contact Angle:15 º; do - Ball Diameter:7.937500 mm; Limiting Speed (Grease):35700 rpm; Limiting Speed (Oil):71400 rpm; Bearing Width:14 mm; Precision Class:ISO P4 (ABEC 7); Da - Outer Ring Backing Diameter:41.500 mm;
NN4038 NSK CYLINDRICAL ROLLER BEARING	Weight:1.25 Kg; Clearance:C3; Grease Reference Speed:4800 rpm; Cr - Dynamic Load Rating:60.2 kN; C0r - Static Load Rating:54.2 kN; Outside Ring Width B:24.000 mm; Oil Reference Speed:6900 rpm; Features:Snap Ring; Bore Size d:100 mm; Snap Ring Diameter D2 max:159.700 mm; Outside Diameter D:150.000 mm; Radius Rs min:1.500 mm; Snap Ring Width f max:2.820 mm;
NN404 NSK CYLINDRICAL ROLLER BEARING	C - Cup Width:32.000 mm; Db - Cup Backface Backing Diameter:143.00 mm; Aa - Cage-Cone Backface Clearance:2.8 mm; d:100 mm; Design Units:METRIC; e - ISO Factor8:0.47; C1 - Dynamic Radial Rating (1 million revolutions)5:331000 N; G1 - Heat Generation Factor (Roller-Raceway):187.7; da - Cone Frontface Backing Diameter:109.22 mm; B:41.000 mm; a - Effective Center Location3:-2.5 mm; r - Cup Backface To Clear Radius2:2.54 mm;

NNU4948K NSK CYLINDRICAL ROLLER BEARING Video

NSK NNU4948K INTERCHANGE

Spherical Roller Bearing Part series NNU4948K is a potential replacement for these common bearing part numbers:

NSKNNU4948K
SKFNNU4948K
NTNNNU4948K
FAGNNU4948K
TIMKENNNU4948K
KOYONNU4948K
NACHINNU4948K
DODGENNU4948K

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