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Home>Products>Four-row Cylindrical Roller Bearings>78/5 KOYO Single-row, matched pair angular contact ball bearings

KOYO 78/5 MODELS

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78/5 KOYO Single-row, matched pair angular contact ball bearings

Name: 78/5 KOYO Single-row, matched pair angular contact ball bearings
Brand: KOYO
SKU: 78/5
Rating: 4.9 (5 reviews)

KOYO 78/5 Bearing SPECIFICATIONS

Brand Name:KOYO
Model Number:
78/5
Min.Order Quantity:Negotiation
Price:Negotiation

KBJ Hydraulic Pump Technology Co., Ltd.

KBJ Hydraulic Pump Technology Co., Ltd.China

KBJ Hydraulic Pump Technology Co., Ltd.2020-07-10 09:46:19
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78/5 KOYO Single-row, matched pair angular contact ball bearings Systems

Category:Pillow Block
Inventory:0.0
Minimum Buy Quantity:N/A
Weight:19.522
Product Group:M06288
Number of Mounting Holes:4
Mounting Method:Concentric Collar
Housing Style:4 Bolt Pillow Block
Rolling Element:Spherical Roller Bearing
Housing Material:Cast Steel
Expansion / Non-expansion:Non-expansion
Mounting Bolts:3/4 Inch
Relubricatable:Yes
Insert Part Number:22218
Seals:Triple Lip Urethane
Housing Configuration:1 Piece Solid
Inch - Metric:Inch
Other Features:Double Row | Single Collar | With Set Screw
Long Description:4 Bolt Pillow Block; 3-3/16" Bore; 3-3/4" Base to Center Height; Concentric Collar Mount; Spherical Roller Bearing; 9-1/4" Minimum Bolt Spacing; 11-1/4" Bolt Spacing Maximum; Relub
UNSPSC:31171511
Harmonized Tariff Code:8483.20.40.80
Noun:Bearing
Keyword String:Pillow Block
Weight / LBS:49
D:4.03 Inch | 102.362 Millimeter
d:3.188 Inch | 80.975 Millimeter
Bolt Spacing Minimum:9.25 Inch | 234.95Millimeter
Bolt Spacing Maximum:11.25 Inch | 285.75Millimeter
Actual Bolt Center to Center:0 Inch | 0Millimeter
Nominal Bolt Center to Center:10.3 Inch | 260.5 Millimeter
B:3.75 Inch | 95.25 Millimeter

KOYO 78/5 78/5 KOYO Single-row, matched pair angular contact ball bearings Code system

Outer Diameter (mm)	620
d	460 mm
B	74 mm
Bearing number	NJ1992
C	74 mm
D	620 mm
Width (mm)	74
Bore Diameter (mm)	460
Size (mm)	460x620x74

78/5 KOYO Single-row, matched pair angular contact ball bearings Interchange Search
No.	Brand	T	a	B	C	d	R	r	D
78/500	NTN	-	-	56,000 mm	56,000 mm	500,000 mm	-	-	620,000 mm
545112-30178/545141-30178	TIMKEN	-	-	-	-	11.25 Inch \| 285.75 Millimeter	-	-	14.125 Inch \| 358.775 Millimeter
53178/53377	SKF	30.958 mm	30.006 mm	28.3 mm	20.638 mm	44.45 mm	-	-	95.25 mm
578/572	Timken	36,512 mm	-	36,098 mm	28,575 mm	79,985 mm	3,5 mm	3,3 mm	139,992 mm
578/572D+X1S-578	Timken	82,55 mm	-	-	66,675 mm	79,985 mm	3,5 mm	0,8 mm	139,992 mm
5578/5535	Timken	43,658 mm	-	43,764 mm	36,512 mm	53,975 mm	3,6 mm	3,3 mm	122,238 mm
53178/53375	Timken	30,958 mm	-	28,301 mm	20,638 mm	44,45 mm	2 mm	0,8 mm	95,25 mm
53178/53376D+X2S-53176	Timken	65,088 mm	-	-	44,45 mm	44,45 mm	2 mm	0,8 mm	95,25 mm
53178/53377/Q	SKF	30.958 mm	30 mm	28.3 mm	20.638 mm	44.45 mm	-	-	95.25 mm
4T-578/572D+A	NTN	82,55 mm	-	-	-	79,985 mm	-	-	139,992 mm
4T-578/572DC+A	NTN	82,55 mm	-	-	-	79,985 mm	-	-	139,992 mm

NN3024 KOYO Double-row cylindrical roller bearings	d:381 mm; D:508 mm; E:485 mm; C:63,5 mm; r max:5 mm; Outer Diameter (mm):485; Bearing number:150RIJ613; B:63,5 mm; F:404 mm; Bore Diameter (mm):381;
NNU493 KOYO Double-row cylindrical roller bearings	Weight:8.25 Kg; Da max.:177 mm; Size (mm):90x190x64; C:64 mm; Width (mm):64; ra max.:2.5 mm; Calculation factor (e):0.34; (Grease) Lubrication Speed:2800 r/min; D:190 mm; B:64 mm; da min.:103 mm; Calculation factor (Y1):1.84; Bearing number:2318K; r min.:3 mm; Outer Diameter (mm):190; Basic dynamic
NN3028 KOYO Double-row cylindrical roller bearings	Retainer Material:Machined Brass; Configuration:Double Row; Limiting Speed - Grease:1,400 rpm; Nr. of Holes:6; Axial Load Factor Y1:2.43; B:86 mm; Dynamic Load Rating:1,460,000 N; Roller Profile:Symmetric; Axial Load Factor Y2:3.61; Radial Clearance:0.120 to 0.180 mm; D:320 mm; d:180 mm; Axial Load
NN303 KOYO Double-row cylindrical roller bearings	ra - max.:2 mm; ra max.:2 mm; b:3.5 mm; da - min.:132 mm; Bore Diameter (mm):215; Calculation factor - kr:0.3; Limiting value e:0.3; Fatigue load limit Pu:72 kN; da max.:140 mm; D1:187.75 mm; r3,4 min.:2.1 mm; d:120 mm; da min.:132 mm; Reference speed:3400 r/min; Basic dynamic load rating - C:520 kN
NNU4928 KOYO Double-row cylindrical roller bearings	db max.:163 mm; Sa:7; TC-DA2:14.128; ALPHA_:12.333; outer r:2; Bearing number:HR32930J; D_a2:196; Bore Diameter (mm):150; ra max.:2 mm; Prod_Type3:TRBSR_MD_A; inner ra:2; Da min:196 mm; mass:4.05; TC-BET21:1; rb max.:2 mm; T-ALP21:24; GRS rpm:1500; Width (mm):38; LangID:1; TC-RA:469.5;
NN3026 KOYO Double-row cylindrical roller bearings	C:43 mm; B:43 mm; Bore Diameter (mm):95; Limiting speed:4800 r/min; D1:149 mm; Reference speed:4300 r/min; Size (mm):95x170x43; F:112,5 mm; d1:– mm; Fatigue load limit (Pu):45,5; da max:110 mm; da min.:107 mm; r2 min.:2,1 mm; Width (mm):43; rb max.:2 mm; Basic dynamic load rating (C):325 kN; S:3 mm;
NNU4932 KOYO Double-row cylindrical roller bearings	Limiting Speed - Grease:2,200 rpm; Enclosure:Open; Basic dynamic load rating (C):335 kN; 2B:94 mm; D:215 mm; Dynamic Load Rating:335,000 N; C:47 mm; (Grease) Lubrication Speed:2200 r/min; r min.:3 mm; r1 min.:1.1 mm; Static Load Rating:380,000 N; Width (mm):47; Basic static load rating (C0):380 kN;
NNU4926 KOYO Double-row cylindrical roller bearings	d1:43,7 mm; Outer Diameter (mm):62; d:35 mm; f:1,7 mm; r0 max.:0,6 mm; C:14 mm; Limiting speed:15000 r/min; Weight:0,15 Kg; Reference speed:24000 r/min; da max:39,6 mm; r1 min.:1 mm; r2 min.:1 mm; Bearing number:6007NR; Ca max.:3,76 mm; Width (mm):14; Size (mm):35x62x14; Fatigue load limit (Pu):0,44

78/5 KOYO Single-row, matched pair angular contact ball bearings Video

KOYO 78/5 INTERCHANGE

Four-row Cylindrical Roller Bearings Part series 78/5 is a potential replacement for these common bearing part numbers:

NSK78/5
SKF78/5
NTN78/5
FAG78/5
TIMKEN78/5
KOYO78/5
NACHI78/5
DODGE78/5

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KOYO 78/5 Technical Articles

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What is the difference between vane pump and gear pump?

The Right Pump for the Job - Design WorldJul 10, 2009 — A gear pump carries fluid between the teeth of two meshing gears. One gear is driven by the drive shaft and turns an idler gear. Gear and vane pumps are primarily used for fixed flow...

KOYO 78/5 MODELS

78/5 KOYO Single-row, matched pair angular contact ball bearings

KOYO 78/5 Bearing SPECIFICATIONS

78/5

78/5 KOYO Single-row, matched pair angular contact ball bearings Systems

KOYO 78/5 78/5 KOYO Single-row, matched pair angular contact ball bearings Code system

78/5 KOYO Single-row, matched pair angular contact ball bearings Interchange Search

78/5 KOYO Single-row, matched pair angular contact ball bearings Video

KOYO 78/5 INTERCHANGE

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KOYO 78/5 Technical Articles

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