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NNU4988 NTN Tapered Roller Bearing

Name: NNU4988 NTN Tapered Roller Bearing
Brand: NTN
SKU: NNU4988
Rating: 4.9 (5 reviews)

NTN NNU4988 Bearing SPECIFICATIONS

The online NNU4988 NTN Tapered Roller Bearing parts store gives you immediate access to a selection Imperial Design Units of more than 1.4 million new, China 6205 Bearing Supplier 20.1 mm Aa - Cage-Cone Backface Clearance used, remanufactured.
Brand Name:NTN
Model Number:
NNU4988
Aa - Cage-Cone Backface Clearance:20.1 mm
C1 - Dynamic Radial Rating (1 million revolutions)5:260000 lbf
Design Units:Imperial
Series:HH932100
a - Effective Center Location3:1.8 mm
B:88.900 mm
e - ISO Factor8:0.73
C0 - Static Radial Rating:282000 lbf

Download NTN NNU4988 Spec Sheet

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NNU4988 NTN Tapered Roller Bearing Dimensions

Aa - Cage-Cone Backface Clearance:20.1 mm
C1 - Dynamic Radial Rating (1 million revolutions)5:260000 lbf
Design Units:Imperial
Series:HH932100
a - Effective Center Location3:1.8 mm
B:88.900 mm
e - ISO Factor8:0.73
C0 - Static Radial Rating:282000 lbf
Da - Cup Frontface Backing Diameter:288.50 mm
Cage Type:Stamped Steel
K - Factor7:0.8
Cone Part Number:HH932145
r - Cup Backface To Clear Radius2:6.35 mm
Ab - Cage-Cone Frontface Clearance:9.9 mm
R - Cone Backface To Clear Radius1:6.35 mm
da - Cone Frontface Backing Diameter:174.50 mm
Bearing Weight:28.2 Kg
G2 - Heat Generation Factor (Rib-Roller End):55.6
C90 - Dynamic Radial Rating (90 million revolutions)4:67500 lbf
D:311.15 mm

NNU4988 NTN Tapered Roller Bearing pdf

NTN NNU4988 Cylindrical Roller Bearing Cross References

No.	Brand	H	C	F	N	k	S	e	E
NNU3038	NTN	-	-	-	-	-	-	-	-
CU8A01W WK30/15	NTN	-	-	-	-	-	-	-	-
LH-WA22214BLLS	NTN	-	-	-	-	-	-	-	-
NN306	NTN	-	-	-	-	-	-	-	-
NN3024K	NTN	-	-	-	-	-	-	-	-
NN3936	NTN	-	-	-	-	-	-	-	-
CRT1412V	NTN	-	-	-	-	-	-	-	-
NN3022K	NTN	-	-	-	-	-	-	-	-
NNU49/56	NTN	-	-	-	-	-	-	-	-
CRT0401V	NTN	-	-	-	-	-	-	-	-
W7601	NTN	-	-	-	-	-	-	-	-
NN4956	NTN	-	-	-	-	-	-	-	-
CRT0606V	NTN	-	-	-	-	-	-	-	-
NN4938	NTN	-	-	-	-	-	-	-	-
W2225	NTN	-	-	-	-	-	-	-	-
NNU4856	NTN	-	-	-	-	-	-	-	-
NN4928	NTN	-	-	-	-	-	-	-	-
WA22224BLLSK	NTN	242 mm	-	-	18 mm	-	-	-	-
K2N-RTD80602PX1	NTN	-	-	-	-	-	-	-	-
3RCS3618UP	NTN	-	-	-	-	-	-	-	-
3RCS2035UP	NTN	-	-	-	-	-	-	-	-
K2N-RTD22602PX1	NTN	-	-	-	-	-	-	-	-
NNU4924	NTN	-	-	-	-	-	-	-	-
CRI-2272LL	NTN	-	-	-	-	-	-	-	-
NN3044	NTN	-	-	-	-	-	-	-	-

R1564V NTN Thrust Tapered Roller Bearing	Dimension H :9-1/2 in; Seal Type:Felt Type; Cr - Dynamic Load Rating:136576 lbf; Shaft Size:7-15/16 in; Dimension J1 :27-13/16 in; Dimension K :5-1/4 in; Support Type:Four-Bolt Plummer Bl; Note:This product line wa; Bearing Number:LSE715BX; Bearing UPC:013992027573; Cor - Static Load Rating:222676 lbf; Dimension M :8-3/4 in; Pillow/Plummer Block Style:Split Cylindrical Ho; Dimension J2 :25-1/8 in;
NN3126 NTN Tapered Roller Bearing	Ca90 - Dynamic Thrust Rating (90 million revolutions)6:2500 lbf; Cone Part Number:26132; R - Cone Backface To Clear Radius1:0.06 in; Design Units:Imperial; T1 - Bearing Width:0.7480 in; D1 - Flange Outer Diameter:2.9865 in; Aa - Cage-Cone Backface Clearance:0 in; C90 - Dynamic Radial Rating (90 million revolutions)4:4060 lbf; D:2.8346 in; db - Cone Backface Backing Diameter:1.59 in; da - Cone Frontface Backing Diameter:1.52 in;
NNU304 NTN Tapered Roller Bearing	R - Cone Backface To Clear Radius1:5.080 mm; D:90.000 mm; Bearing Weight:0.70 Kg; Db - Cup Backface Backing Diameter:80.01 mm; Series:M205100; Aa - Cage-Cone Backface Clearance:0.3 mm; db - Cone Backface Backing Diameter:67.06 mm; Y - ISO Factor9:1.82; Da - Cup Frontface Backing Diameter:85.10 mm; Cup Part Number:JM205110; Ab - Cage-Cone Frontface Clearance:2.8 mm; C - Cup Width:23.000 mm; B - Cone Width:28.000 mm;
NN396 NTN Tapered Roller Bearing	Da (max):342 mm; B:120 mm; Dynamic Load Rating:1,220,000 N; d:170 mm; Limiting Speed - Grease:1,400 rpm; Bore Type:Cylindrical Bore; Fillet Radius/Chamfer:4 mm; Radial Clearance:0.120 to 0.170 mm; Weight:62.700 kg; Enclosure:Open; ra1 (max):3 mm; dc (min):223 mm; Configuration:Single Row; r1:4 mm; db (min):188 mm; db (max):216 mm; ra (max):3 mm; Limiting Speed - Oil:1,800 rpm; Static Load Rating:1,750,000 N;
NN3072 NTN Tapered Roller Bearing	Dimension H1:2.4 in; Cr - Dynamic Load Rating:71040 lbf; Pillow/Plummer Block Style:Split Cylindrical Ho; Series Type:Light Series; Shaft Size:110 mm; Dimension H:5.630 in; Cor - Static Load Rating:95993 lbf; Seal Type:Kevlar Packing Seal; Housing Width:5.5 in; Bearing Number:LSM110BX; Bolt Size:2 x M24; Dimension M:4.7 in; Dimension H2:12.4 in; Support Type:Two-Bolt Plummer Blo; Note:This product line wa;
NN3948 NTN Tapered Roller Bearing	Weight:0.02 Kg; Radius Rs min:0.300 mm; C0r - Static Load Rating:2 kN; Bore Size d:10 mm; Outside Diameter D:26.000 mm; Cr - Dynamic Load Rating:4.6 kN; Features:One Shield; Outside Ring Width B:8.000 mm; Oil Reference Speed:38000 rpm; Grease Reference Speed:26000 rpm; Clearance:C3;
R3444V NTN Thrust Tapered Roller Bearing	Grease Reference Speed:10000 rpm; Outside Ring Width B:17.000 mm; Features:Shields; Oil Reference Speed:14000 rpm; Weight:0.29 Kg; Outside Diameter D:72.000 mm; Radius Rs min:1.100 mm; Bore Size d:35 mm; Clearance:C3; Cr - Dynamic Load Rating:25.7 kN; C0r - Static Load Rating:15.3 kN;
NNU3134 NTN Tapered Roller Bearing	Enclosure:Snap Ring Groove wit; Radial Clearance:0.003 to 0.018 mm; r1:0.3 mm; Cy (max):1.9 mm; D:28 mm; Limiting Speed - Grease:28,000 rpm; B:8 mm; Da (max):26 mm; Fillet Radius/Chamfer:0.3 mm; Dynamic Load Rating:5,100 N; Weight:0.024 kg; Dx (min):31.5 mm; Snap Ring Width:0.9 mm; b (min):0.9 mm; ra (max):0.3 mm; D1 (max):26.7 mm; da (min):14 mm; Limiting Speed - Oil:32,000 rpm; Factor fo:13.5; Snap Ring Outside Diameter:31 mm;
NN4924 NTN Tapered Roller Bearing	Oil Lubrication - M/N Seal:1600 rpm; Engineering Group:Mounted Bearing; Shaft Tolerance:0.0035 in; Dimension G:3.130 in; Weight:29 lb; Full Timken Part Number:TAPH15K207SB; Pre Install Clearance Max:0.0047 in; Dimension E:1.88 in; Dimension D Min:7.94 in; Dimension M:1.73 in; Dimension S:2.87 in; Shaft Size :2-7/16 in; Dimension D Max:9.69 in; Grease Lubrication - M/N Seal:1600 rpm; Y2 - Geometry Factor:4.67;
CU12B04W WK40/15 NTN Thrust Tapered Roller Bearing	Note:This product line wa; Dimension T:14.5 in; Dimension B:7.5 in; Dimension R:1.4 in; Dimension D:11.0 in; Ca - Axial Load Rating:2383 lbf; Dimension X:1.2 in; Dimension A:7.5 in; Dimension V:5.5 in; Series Type:Medium Series; Dimension W:1.5 in; Bearing Type:Split Cylindrical Re; Dimension S:2.0 in; Dimension N:12.5 in; Dimension P:0.9 in; Bearing UPC:013992035233; Bearing Number:MSM75BR; Dimension H:1.6 in;
CRT1209V NTN Thrust Tapered Roller Bearing	T - Bearing Width to Flange:0.3125 in; Cone Part Number:1987; Design Units:Imperial; G2 - Heat Generation Factor (Rib-Roller End):6.33; Bearing Weight:0.8 lb; a - Effective Center Location3:-0.23 in; e - ISO Factor8:0.33; Ca90 - Dynamic Thrust Rating (90 million revolutions)6:1590 lbf; D1 - Flange Outer Diameter:2.5270 in; r - Cup Backface To Clear Radius2:0.030 in; Da - Cup Frontface Backing Diameter:2.26 in;
NNU39/8 NTN Tapered Roller Bearing	Design Units:Imperial; C - Double Cup Width:4.5000 in; Cg - Geometry Factor7:0.26; r - Cup Frontface To Clear Radius2:0.130 in; Y1 - ISO Factor5:1.33; Da - Cup Frontface Backing Diameter:27.84 in; e - ISO Factor4:0.51; Series:542000; K - Factor3:1.15; Y - ISO Factor1:1.18; Y2 - ISO Factor6:1.98; D:29.0000 in;
NNU3948 NTN Tapered Roller Bearing	Bearing Type:Split Cylindrical Re; Dimension M:11.5 in; Weight:1021 lb; Note:This product line wa; Shaft Size:250 mm; Bearing Number:MSM250BR; Dimension J:23.5 in; Dimension H1:2.1 in; Series Type:Medium Series; Support Type:Four-Bolt Plummer Bl; Cor - Static Load Rating:475921 lbf; Dimension K:8.0 in; Dimension H2:28.0 in; Dimension L:32.0 in; Housing Width:11.0 in; Seal Type:Aluminium Triple Lab;
CRT1307V NTN Thrust Tapered Roller Bearing	r1:0.5 mm; Limiting Speed - Grease:10,000 rpm; Radial Clearance:0.015 to 0.033 mm; da (min):45 mm; Fillet Radius/Chamfer:1 mm; a (max):2.5 mm; D1 (max):64.8 mm; Factor fo:15.3; Bore Type:Cylindrical Bore; Static Load Rating:11,500 N; Da (max):63 mm; Weight:0.186 kg; d:40 mm; Enclosure:Single Shield with S; Cy (max):3.8 mm; Dynamic Load Rating:16,800 N; D:68 mm; Dx (min):76 mm; Snap Ring Width:1.7 mm;

NNU4988 NTN Tapered Roller Bearing Video

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Cylindrical Roller Bearing Part series NNU4988 is a potential replacement for these common bearing part numbers:

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