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Home>Products>Single-Row Deep Groove Ball Bearings>NNU4988 KOYO Double-row cylindrical roller bearings

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NNU4988 KOYO Double-row cylindrical roller bearings

Name: NNU4988 KOYO Double-row cylindrical roller bearings
Brand: KOYO
SKU: NNU4988
Rating: 4.9 (5 reviews)

KOYO NNU4988 Bearing SPECIFICATIONS

Brand Name:KOYO
Model Number:
NNU4988
d:200.000 mm
D:310.0000 mm
B:51.00 mm
Fillet Radius ra:2.00 mm
Basic Dynamic Radial Load Rating C:216000 N
Basic Static Radial Load Rating Co:245000 N
Grease Speed Rating Open/Shielded n1:1900 rpm
Oil Speed Rating Open/Shielded n2:2400 rpm

Download KOYO NNU4988 Spec Sheet

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The details of Single-Row Deep Groove Ball Bearings

d:200.000 mm
D:310.0000 mm
B:51.00 mm
Fillet Radius ra:2.00 mm
Basic Dynamic Radial Load Rating C:216000 N
Basic Static Radial Load Rating Co:245000 N
Grease Speed Rating Open/Shielded n1:1900 rpm
Oil Speed Rating Open/Shielded n2:2400 rpm
Sealed Speed Rating n3:1300 rpm
Accessories:Two Seals & Snap-Ring

NNU4988 KOYO Double-row cylindrical roller bearings pdf

KOYO NNU4988 NNU4988 KOYO Double-row cylindrical roller bearings Product identifiers

Take-Up Frame Style	HEAVY DUTY
Take-Up Frame Travel	60.0000 in
Angle Size	6 X 6 X 3/4
Frame Size	500
UPC	782475839049
Ship Weight	560 LB
Screw Treatment	ZINC PLATED
Special Coating	STANDARD PAINT
Material Type	CARBON STEEL
Screw Diameter	1.5000 in

NNU4988 KOYO Double-row cylindrical roller bearings Interchange Search
No.	Brand	D	B	d	C	Fw	Ew	Cu	Cr
NNU4988	KOYO	600 mm	160 mm	440 mm	2060 kN	487 mm	-	-	-
NNU4988-S-K-M-SP	FAG BEARING	-	-	-	-	-	-	-	-
NNU4988MAW33	TIMKEN	-	-	-	-	-	-	-	-
NNU4988 V	Loyal	600 mm	160 mm	440 mm	160 mm	-	-	-	-
NNU4988C1NAP4	NTN	600 mm	160 mm	440 mm	160 mm	-	-	-	-
NNU4988K	Loyal	600 mm	160 mm	440 mm	160 mm	-	-	-	-
NNU4988K V	Loyal	600 mm	160 mm	440 mm	160 mm	-	-	-	-
NNU4988KC1NAP4	NTN	600 mm	160 mm	440 mm	160 mm	-	-	-	-

41FC3017 KOYO Four-row cylindrical roller bearings	Max Bearing Speed:9500 rpm; Grease Type:Unirex N2; Retainer Type:Std Retainer; Bearing Series:207 Series; Housing Type:Flange Bracket; Bearing Inner Ring Material:Steel; Housing Material:Cast Iron; Ring Size:Standard; Ball Material:Steel; Retainer Material:Nylon; Flinger Type:Non-Rubberized; Seal Ty
44FC31225A KOYO Four-row cylindrical roller bearings	Flinger Type:None; Ball Bearing Housing Series:206 Series; Bearing Duty:Intermediate Duty; Bearing Family:Setscrew Ball Bearin; Bearing Locking Device:Setscrew; Self Aligning:Self Centering; End Cap Groove:No; d:1.2500 in; Ship Weight:2.38 LB; Bearing Bore Shape:Round; Bearing Insert Material:Steel;
40FC31206 KOYO Four-row cylindrical roller bearings	Max Bearing Speed:3250 rpm; Ball Bearing Housing Series:211 Series; Self Aligning:Self Centering; Flinger Type:Rubberized; Bearing Family:Setscrew Ball Bearin; Flinger Material:Steel; End Cap Groove:Yes; UPC:782476477875; Housing Material:Cast Iron; Retainer Type:Max Life Cage; Base to Center Height
42FC3021 KOYO Four-row cylindrical roller bearings	Base to Center Height:Low; Retainer Type:Std Retainer; Seal Type:Single Lip; Grease Type:Unirex N2; Manufacturing Plant Location:Rogersville, TN; Ball Material:Steel; Housing Type:2 Bolt Pillow Block; Shaft Attachment (2):Eccentric Collar; Max Bearing Speed:6500 rpm; Ship Weight:2.41 LB; Expansion T
40FC28190A KOYO Four-row cylindrical roller bearings	Bearing Bore Shape:Round; Seal Type:Triple Lip; Flinger Material:Steel; Housing Type:Wide Slot Take-Up; Bearing Inner Ring Material:Steel; UPC:782476483883; Housing Material:Cast Iron; Bearing Locking Device:Setscrew; Retainer Type:Max Life Cage; Self Aligning:Self Centering; Ring Size:Standard; Bea
44FC3221 KOYO Four-row cylindrical roller bearings	Shaft Attachment (2):D-Lock; Grease Type:Unirex N2; d:50.0000 mm; Expansion Type:Expansion; Bearing Duty:Normal Duty; Bearing Outer Ring Material:Steel; Ball Bearing Housing Series:210 Series; Base to Center Height:Standard; Housing Type:2 Bolt Pillow Block; Ball Grade:Class 10; Self Aligning:Self C
313837-1 KOYO Four-row cylindrical roller bearings	End Cap Groove:Yes; Max Bearing Speed:4000 rpm; Bearing Duty:Normal Duty; Flinger Type:INTERNAL RUBBER LIP; Ball Bearing Housing Series:208 Series; Ship Weight:2.1 LB; Ball Material:440 STAINLESS STEEL; Bearing Locking Device:Setscrew; Grease Type:Mobilgrease FM222; Manufacturing Plant Location:Roge
44FC31192W KOYO Four-row cylindrical roller bearings	Bearing Locking Device:Tapered Adapter Slee; Flinger Material:Steel; Flinger Type:Rubberized; Bearing Inner Ring Material:Steel; Ball Material:Steel; Bearing Series:206 Series; Ball Grade:Class 10; Grease Type:Unirex N2; Manufacturing Plant Location:Crossville, TN - DC; Bearing Family:Grip Tight Bal
40FC282 KOYO Four-row cylindrical roller bearings	Expansion Type:Non-Expansion; Ball Material:Steel; Bearing Inner Ring Material:Steel; Ring Size:Standard; Retainer Material:Polymer; Bearing Bore Shape:Round; Flinger Material:Steel; UPC:782476242480; Max Bearing Speed:8000 rpm; Bearing Series:209 Series; Housing Type:4 Bolt Flange; d:1.6875 in; Bea
44FC30150W KOYO Four-row cylindrical roller bearings	Base to Center Height:Standard; Ball Bearing Housing Series:212 Series; Shaft Attachment (2):Set Screw; Bearing Series:212 Series; Flinger Material:None; UPC:782475324576; Bearing Duty:Medium Duty; Ring Size:Standard; Bearing Outer Ring Material:Steel; Anti-Rotation Pin:Yes; Bearing Family:Setscrew
44FC32210-1 KOYO Four-row cylindrical roller bearings	Base to Center Hight Numeric:5.7500 in; Housing Product Type:K / DI; UPC:782475725984; Bearing Series:407 Series; d:4.5000 in; Bearing Bore Shape:Tapered; Housing Type:4 Bolt Pillow Block; Ship Weight:135 LB; Grease Type:Mobilgrease XHP222; Shaft Attachment Type:SETSCREW; Split Housing:SPLIT; Bearin
42FC29192 KOYO Four-row cylindrical roller bearings	Ball Material:Steel; Bearing Thread Size:1 - 11-1/2; Bearing Locking Device:Setscrew; Bearing Thread Type:NTP; Expansion Type:Non-Expansion; Retainer Type:Std Retainer; Flinger Material:Steel; Bearing Inner Ring Material:Steel; Housing Coating:Powder Coat; Self Aligning:Self Centering; Ship Weight:4
313837A KOYO Four-row cylindrical roller bearings	Flinger Material:Steel; Housing Coating:Powder Coat; Ball Material:Steel; Grease Type:Unirex N2; Bearing Family:D-Lock Ball Bearing; Max Bearing Speed:7500 rpm; Housing Material:Zinc; Self Aligning:Self Centering; Bearing Bore Shape:Round; Bearing Inner Ring Material:Steel; End Cap Groove:No; Bearin
40FC3116 KOYO Four-row cylindrical roller bearings	Anti-Rotation Pin:Yes; Bearing Inner Ring Material:Steel; Self Aligning:Self Centering; Manufacturing Plant Location:Rogersville, TN; Housing Type:2 Bolt Pillow Block; Base to Center Height:Standard; Ball Bearing Housing Series:204 Series; Housing Coating:Powder Coat; Expansion Type:Non-Expansion; B
313811 KOYO Four-row cylindrical roller bearings	Bearing Outer Ring Material:Steel; Ball Grade:Class 10; Bearing Bore Shape:Round; Housing Material:Cast Iron; Housing Type:Fan & Blower Pil; Ball Bearing Housing Series:207 Series; Housing Coating:Powder Coat; Flinger Material:Steel; Manufacturing Plant Location:Rogersville, TN; Bearing Inner Ri
313893-1 KOYO Four-row cylindrical roller bearings	Bearing Outer Ring Material:Steel; Housing Type:3 Bolt Light Duty Fl; Shaft Attachment (2):Set Screw; Housing Coating:Powder Coat; Ball Material:Steel; Seal Type:Single Lip; Manufacturing Plant Location:Rogersville, TN; Bearing Inner Ring Material:Steel; Anti-Rotation Pin:Yes; Flinger Material:None;

NNU4988 KOYO Double-row cylindrical roller bearings Video

KOYO NNU4988 bearing - Original Bearing & Quick Delivery

Bearing name: KOYO NNU4988 bearing. Price: click here and know more. Distributor：We have world class manufacuring facilities using latest technology,

Bearing NNU4988 (KOYO) | Size and Specification | Bearings

Cylindrical roller bearings NNU4988. Bearing number : NNU4988. Size (mm) : 440x600x160. Brand : KOYO. Bore Diameter (mm) : 440. Outer Diameter (mm) :

NNU4988 KOYO bearing | NNU4988 Bearing Quotation

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Cylindrical roller bearing KOYO NNU4988 440x600x160mm

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KOYO NNU4988 INTERCHANGE

Single-Row Deep Groove Ball Bearings Part series NNU4988 is a potential replacement for these common bearing part numbers:

NSKNNU4988
SKFNNU4988
NTNNNU4988
FAGNNU4988
TIMKENNNU4988
KOYONNU4988
NACHINNU4988
DODGENNU4988

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