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77238B Franke Slewing Ring Bearings

Name: 77238B Franke Slewing Ring Bearings
Brand: Franke
SKU: 77238B
Rating: 4.9 (5 reviews)

Franke 77238B Bearing SPECIFICATIONS

Brand Name:Franke
Model Number:
77238B
Series:1700
Cone Part Number:1780
Cup Part Number:1729X
Design Units:Imperial
Bearing Weight:0.20 Kg
Cage Type:Stamped Steel
d:25.400 mm
D:56.896 mm

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77238B Franke Slewing Ring Bearings Specification details

Series:1700
Cone Part Number:1780
Cup Part Number:1729X
Design Units:Imperial
Bearing Weight:0.20 Kg
Cage Type:Stamped Steel
d:25.400 mm
D:56.896 mm
B - Cone Width:19.837 mm
C - Cup Width:15.875 mm
B:19.368 mm
R - Cone Backface To Clear Radius1:0.760 mm
r - Cup Backface To Clear Radius2:1.52 mm
da - Cone Frontface Backing Diameter:29.97 mm
db - Cone Backface Backing Diameter:30.48 mm
Da - Cup Frontface Backing Diameter:51.10 mm
Db - Cup Backface Backing Diameter:49.02 mm
Ab - Cage-Cone Frontface Clearance:2 mm
Aa - Cage-Cone Backface Clearance:0.3 mm
a - Effective Center Location3:-6.9 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:2650 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:10200 lbf
C0 - Static Radial Rating:10200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:1390 lbf
K - Factor7:1.9
e - ISO Factor8:0.31
Y - ISO Factor9:1.95
G1 - Heat Generation Factor (Roller-Raceway):10.6
G2 - Heat Generation Factor (Rib-Roller End):5.4
Cg - Geometry Factor:0.0521

Franke 77238B 77238B Franke Slewing Ring Bearings Cross reference

Cage Type	Stamped Steel
R - Cone Backface To Clear Radius3	0.14 in
a - Effective Center Location4	-0.03 in
K - Factor8	1.27
d	2.5000 in
da - Cone Frontface Backing Diameter	2.8 in
G2 - Heat Generation Factor (Rib-Roller End)	25.8
Ca90 - Dynamic Thrust Rating (90 million revolutions)7	5970 lbf
Series	29500
C1 - Dynamic Radial Rating (1 million revolutions)6	29400 lbf
Cg - Geometry Factor	0.111
B - Cone Width	1.0000 in
Cone Part Number	29585
Ab - Cage-Cone Frontface Clearance	0.08 in
G1 - Heat Generation Factor (Roller-Raceway)	70.3
Aa - Cage-Cone Backface Clearance	0.07 in
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2	13200 lbf
C90 - Dynamic Radial Rating (90 million revolutions)5	7610 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1	51100 lbf
Design Units	Imperial

77250B Franke Slewing Ring Bearings	Length Thru Bore:2.217 Inch \| 56.3 Mi; H2:105,41 mm; B:56,49 mm; Mounting Method:Eccentric Collar; Bore:1.75 Inch \| 44.45 Mi; Housing Material:Cast Iron; Housing Style:2 Bolt Pillow Block; Base to Center Height:2.063 Inch \| 52.4 Mi; Inch - Metric:Inch; Bolt Spacing Minimum:5.374 Inch \| 136.5Mi; Manu
68966A Franke Slewing Ring Bearings	r1,2 - min.:3.2 mm; ra max.:2.5 mm; r1,2 min.:3.2 mm; Basic dynamic load rating - C:212 kN; Outer Diameter (mm):69,85; Reference speed:4800 r/min; Axial load factor Y:0.6; B:34.925 mm; Fatigue load limit Pu:28 kN; da min.:82 mm; Limiting value e:0.2; UNSPSC:31171547; r3,4 - min.:3.2 mm; da - max.:13
74106A Franke Slewing Ring Bearings	Basic dynamic load rating (C):0,545 kN; Bearing number:MR 128; da min.:9,2 mm; Da max.:10,8 mm; Size (mm):8x12x2.5; Outer Diameter (mm):12; D:12 mm; Width (mm):2,5; (Grease) Lubrication Speed:40 000 r/min; B:2,5 mm; d:8 mm; r min.:0,15 mm; Basic static load rating (C0):0,274 kN; ra max.:0,15 mm; Wei
68723A Franke Slewing Ring Bearings	Size (mm):30x40x16; Fw:30 mm; Outer Diameter (mm):40; Bearing number:BK304016; (Grease) Lubrication Speed:5600 r/min; C:16 mm; Bore Diameter (mm):30; Width (mm):16; Basic static load rating (C0):22,8 kN; D:40 mm; Basic dynamic load rating (C):17 kN; Weight:0,0469 Kg;
68968A Franke Slewing Ring Bearings	Da - Cup Frontface Backing Diameter:11.85 in; Y - ISO Factor1:1.88; Y2 - ISO Factor6:3.15; Cg - Geometry Factor7:0.124; Design Units:Imperial; Series:H239600; D:12.6250 in; K - Factor3:1.83; Y1 - ISO Factor5:2.12; e - ISO Factor4:0.32; r - Cup Frontface To Clear Radius2:0.06 in; C - Double Cup Width
68725A Franke Slewing Ring Bearings	Basic static load rating (C0):105 kN; d1:30 mm; (Grease) Lubrication Speed:2400 r/min; D1:72 mm; Bearing number:54307U+U307; Weight:0,898 Kg; T:52 mm; d:37 mm; Basic dynamic load rating (C):55,5 kN; Bore Diameter (mm):37; D2:52 mm;
74104A Franke Slewing Ring Bearings	Angle:9,5 °; dk:23,01 mm; Width (mm):14,27; r1 min.:0,81 mm; d:14,29 mm; r min.:0,3 mm; D:27,78 mm; Weight:0,042 Kg; Bearing number:GEFZ14S; Size (mm):14.29x27.78x14.27; Outer Diameter (mm):27,78; Basic dynamic load rating (C):15 kN; C:11,1 mm; B:14,27 mm; Bore Diameter (mm):14,29;
68526A Franke Slewing Ring Bearings	B:26 mm; Width (mm):26; a:37,1 mm; Bore Diameter (mm):105; r min.:2 mm; D:160 mm; d:105 mm; (Grease) Lubrication Speed:7 500 r/min; Outer Diameter (mm):160; Basic dynamic load rating (C):37,6 kN; r1 min.:1 mm; Basic static load rating (C0):31,7 kN; C:26 mm; Bearing number:HAR021CA; Size (mm):105x160

77238B Franke Slewing Ring Bearings Video

Franke 77238B INTERCHANGE

Bearing Slewing Ring Part series 77238B is a potential replacement for these common bearing part numbers:

NSK77238B
SKF77238B
NTN77238B
FAG77238B
TIMKEN77238B
KOYO77238B
NACHI77238B
DODGE77238B

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