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Home>Products>Large Slewing Bearings>77268B Franke Slewing Ring Bearings

Franke 77268B MODELS

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77268B Franke Slewing Ring Bearings

Name: 77268B Franke Slewing Ring Bearings
Brand: Franke
SKU: 77268B
Rating: 4.9 (5 reviews)

Franke 77268B Bearing SPECIFICATIONS

Brand Name:Franke
Model Number:
77268B
Series:18700
Cone Part Number:18790
Cup Part Number:18723
Design Units:Imperial
Bearing Weight:0.5 Kg
Cage Type:Stamped Steel
d:50.8 mm
D:88.900 mm

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77268B Franke Slewing Ring Bearings Codes and sizes

Series:18700
Cone Part Number:18790
Cup Part Number:18723
Design Units:Imperial
Bearing Weight:0.5 Kg
Cage Type:Stamped Steel
d:50.8 mm
D:88.900 mm
B - Cone Width:17.463 mm
C - Cup Width:16.670 mm
B:20.638 mm
R - Cone Backface To Clear Radius1:3.560 mm
r - Cup Backface To Clear Radius2:1.27 mm
da - Cone Frontface Backing Diameter:55.88 mm
db - Cone Backface Backing Diameter:61.98 mm
Da - Cup Frontface Backing Diameter:83.06 mm
Db - Cup Backface Backing Diameter:77.98 mm
Ab - Cage-Cone Frontface Clearance:2.3 mm
Aa - Cage-Cone Backface Clearance:0.5 mm
a - Effective Center Location3:-0.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:3190 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:12300 lbf
C0 - Static Radial Rating:15200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:2210 lbf
K - Factor7:1.44
e - ISO Factor8:0.41
Y - ISO Factor9:1.48
G1 - Heat Generation Factor (Roller-Raceway):28.6
G2 - Heat Generation Factor (Rib-Roller End):21.5
Cg - Geometry Factor:0.0789

Franke 77268B Information techniques 77268B Franke Slewing Ring Bearings

H	338.137 mm
R1	104.775 mm
ba	69.85 mm
A1	158.75 mm
J max.	488.95 mm
Mass pillow block	121 kg
Initial grease fill	793.8 g
P90°	207 kN
H1	169.875 mm
A2	225.425 mm
P150°	120 kN
Ca	89.789 mm
PG	1/4 NPT
N1	28.575 mm
RG	3/4 NPT
Da	289.999 mm
da	177.8 mm
Stabilizing ring	2 x 38151-38
Labyrinth ring	2 x LOR 156
Housing	SAFS 038 KA

77274A Franke Slewing Ring Bearings	Calculation factor e:0.35; rc max.:1 mm; Calculation factor Y2:2.9; D:260 mm; b:21 mm; Calculation factor Y0:1.8; Da min.:213 mm; K:7.5 mm; Basic dynamic load rating C:1466 kN; Fatigue load limit Pu:220 kN; ra max.:3 mm; Calculation factor Y1:1.9; Mass bearing pair:45 kg; r5 min.:1 mm; Da max.:246.5
74130A Franke Slewing Ring Bearings	B:39.00 mm; Basic Dynamic Radial Load Rating C:124000 N; Sealed Speed Rating n3:2600 rpm; Fillet Radius ra:2.00 mm; Grease Speed Rating n1:3800 rpm; Oil Speed Rating Open/Shielded n2:4500 rpm; d:80.000 mm; Oil Speed Rating n2:4500 rpm; D:170.0000 mm; Accessories:Without Accessories; Grease Speed Rat
77274B Franke Slewing Ring Bearings	Sealed Speed Rating n3:3400 rpm; Basic Static Radial Load Rating Co:19600 N; B:13.00 mm; Oil Speed Rating Open/Shielded n2:6300 rpm; d:85.000 mm; Accessories:One Shield; Basic Dynamic Radial Load Rating C:19500 N; Grease Speed Rating Open/Shielded n1:5300 rpm; Fillet Radius ra:1.00 mm; D:110.0000 mm
68663A Franke Slewing Ring Bearings	P60°:189 kN; Stabilizing ring:SR-26-0; N1:25.4 mm; J1:82.55 mm; P120°:73.8 kN; Initial grease fill:382.73 g; J min.:371.475 mm; Max. speed for PosiTrac Plus seal:1300 r/min; Mass pillow block:68 kg; A1:133.35 mm; P180°:84.5 kN; P90°:113 kN; A2:193.675 mm; Eye bolt:3/8-16 UNC; Cap bol
68552A Franke Slewing Ring Bearings	Calculation factor kr:0.31; Basic static load rating C0:3900 kN; da min.:276 mm; Basic dynamic load rating C:2200 kN; F:306 mm; b:13.9 mm; s max.:5.1 mm; r3,4 min.:4 mm; Fatigue load limit Pu:365 kN; Reference speed:1300 r/min; db min.:310 mm; D:440 mm; B:180 mm; Design variant/feature:NNU/W33; ra m
68546A Franke Slewing Ring Bearings	Attachment bolt diameter G:15.875 mm; Mass bearing unit:8.39 kg; J min.:209.55 mm; A:88.9 mm; Limiting speed:3800 r/min; A1:99.219 mm; H1:69.85 mm; da:63.5 mm; H2:41.275 mm; J1:47.625 mm; s:31.75 mm; S:0.794 mm; L:266.7 mm; B:85.725 mm; H:144.463 mm; d2:101.6 mm; Basic dynamic load rating C:147 kN;
77262A Franke Slewing Ring Bearings	B:80 mm; d1:740 mm; Associated eyebolt for handling:M 10; Mass lock nut:75.5 kg; b:45 mm; G:Tr 670x6; Associated spanner:TMFN 600-750; d3:780 mm; B5:102 mm; h:20 mm; d2:703 mm;
68749A Franke Slewing Ring Bearings	Appropriate attachment bolt size G:0.75 in; J1:60.325 mm; PosiTrac Plus contact element:2 x B10724-102; ba:44.45 mm; Labyrinth ring:2 x LOR 100; h:42.069 mm; Stabilizing ring:SR-20-17; J min.:295.275 mm; Housing:FSAFS 520; Cap bolt, SAE grade:8; A2:155.575 mm; P120°:64.9 kN; J max.:333.375 mm; A
68745A Franke Slewing Ring Bearings	Sealed Speed Rating n3:31000 rpm; d:6.400 mm; Basic Dynamic Radial Load Rating C:1480 N; D:15.9000 mm; Grease Speed Rating Open/Shielded n1:44000 rpm; Shielded or Sealed B1:5.0 mm; Oil Speed Rating Open/Shielded n2:54000 rpm; Width Plain B:5.0 mm; Fillet Radius ra:0.30 mm; Accessories:Without Access
68743A Franke Slewing Ring Bearings	Shaft C/L Distance F:1 27/32 in; Travel:9; Bolt Pattern E:12 1/2 in; Bolt Pattern C:0.55 in; Height G:3.438 in; Frame Size B:15 in; Frame Accepts These Shaft Sizes (Bearing Bore):30 mm, 35 mm; Bolt Pattern D:2 3/4 in; Frame Size A:4 41/64 in;

77268B Franke Slewing Ring Bearings Video

Franke 77268B INTERCHANGE

Large Slewing Bearings Part series 77268B is a potential replacement for these common bearing part numbers:

NSK77268B
SKF77268B
NTN77268B
FAG77268B
TIMKEN77268B
KOYO77268B
NACHI77268B
DODGE77268B

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NTN BEARING CORP.: Address1-2-16 Kyomachibori, Nishi-ku, Osaka-shi, Osaka 520-03653, Japan; Phone(Working Time)753-298-1258; Fax

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