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Rotek 3R8-68N3B MODELS

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3R8-68N3B Rotek Slewing Ring Bearings

Name: 3R8-68N3B Rotek Slewing Ring Bearings
Brand: Rotek
SKU: 3R8-68N3B
Rating: 4.9 (5 reviews)

Rotek 3R8-68N3B Bearing SPECIFICATIONS

Advance 3R8-68N3B Rotek Slewing Ring Bearings is H7 Tolerance housing your source for quality Slewing Ring Bearings and accessories. shop online for home delivery or pick up in one of our 10000 American Precision Parts Co., Ltd. .
Brand Name:Rotek
Model Number:
3R8-68N3B
Tolerance housing:H7
α:105 °
Coefficient of friction µ min.:0.08
a:3 mm
d:17 mm
Permissible sliding velocity v max.:0.5 m/s
Permissible sliding velocity v min.:0 m/s
Specific static load factor K0:45 N/mm²

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3R8-68N3B Rotek Slewing Ring Bearings Technology

Tolerance housing:H7
α:105 °
Coefficient of friction µ min.:0.08
a:3 mm
d:17 mm
Permissible sliding velocity v max.:0.5 m/s
Permissible sliding velocity v min.:0 m/s
Specific static load factor K0:45 N/mm²
B:20 mm
Specific dynamic load factor K:25 N/mm²
Mass bushing:0.046 kg
D:25 mm
Tolerance shaft:e7
h:18 mm
Coefficient of friction µ max.:0.15

Rotek 3R8-68N3B 3R8-68N3B Rotek Slewing Ring Bearings Codes and sizes

No.	Brand	G	N	B	H	F	E	U	T
3R8-88P9	Rotek	-	-	-	-	-	-	-	-
L9-57E9Z	Rotek	-	-	-	-	-	-	-	66.675 mm
60.25.0475.000.11.1504	Standard 5	-	-	-	-	-	-	-	-
3R6-55P9	Rotek	-	-	-	-	-	-	-	-
W13-51P1D	Rotek	-	-	-	-	-	-	-	-
A12-42E3	Rotek	Tr 530x6	-	264 mm	-	-	-	-	-
60.22.0505.000.11.1503	Standard 5	-	-	-	-	-	-	-	-
H7-38E1	Rotek	-	-	-	-	-	-	-	-
3R13-62N1E	Rotek	-	-	50 mm	-	-	-	-	-
A16-67P2	Rotek	-	-	-	-	-	-	-	-
W13-49P1	Rotek	-	-	-	-	-	-	-	-
3R6-55E9	Rotek	199.314 mm	-	30.429 mm	-	-	-	-	-
161.20.0630.891.21.1503	Standard 5	-	-	-	-	-	-	-	-
3R8-59N2C	Rotek	-	-	-	-	-	-	-	40 mm
231.20.0600.013 Type 21/750.1	Standard 5	-	-	17 mm	-	-	-	-	17 mm
232.21.0475.013 Type 21/520.2	Standard 5	-	-	-	-	-	-	-	-
61.20.0414.500.01.1503	Standard 5	-	-	-	-	-	-	-	-
230.21.0475.013 Type 21/520.	Standard 5	-	-	100 mm	-	431 mm	-	-	-
H7-43N3A	Rotek	-	-	37 mm	178.5 mm	-	-	-	-
A14-48E22	Rotek	Tr 300x4	-	-	-	-	-	-	-
A14-49P1A	Rotek	-	-	-	-	-	-	-	-
A16-59N2	Rotek	-	-	-	-	-	-	-	-

162.20.0450.891.21.1503 Standard 5 Slewing Ring Bearings	E:418.9 mm; Da max.:429 mm; ra max.:2 mm; D:440 mm; Limiting speed:700 r/min; Calculation factor kr:0.1; das:384 mm; D1 ≈:413 mm; Basic dynamic load rating C:402 kN; Db max.:433 mm; Basic static load rating C0:900 kN; da min.:371 mm; Reference speed:560 r/min; s max.:3 mm; B:38 mm; Fatigue load limit Pu:76.5 kN; d1 ≈:388 mm; d:360 mm; Mass bearing:11.5 kg; Calculation factor e:0.2;
R11-75N3 Rotek Slewing Ring Bearings	d1 ≈:565 mm; Comparative axial load rating CFa:301 kN; D1 ≈:636 mm; r1,2 min.:2 mm; B:440 mm; Comparative radial load rating CF:1860 kN; Calculation factor Y2:3; r3,4 min.:5 mm; Basic dynamic load rating C:7480 kN; Calculation factor e:0.33; Basic static load rating C0:21200 kN; Mass bearing:395 kg; Fatigue load limit Pu:1500 kN; T:440 mm; Calculation factor Y0:2; d:540 mm; D:690 mm; Calculation factor Y1:2;
161.20.0560.891.21.1503 Standard 5 Slewing Ring Bearings	T:605 mm; Fatigue load limit Pu:2850 kN; Calculation factor Y2:3; Calculation factor Y0:2; Calculation factor Y1:2; Mass bearing:1250 kg; Comparative axial load rating CFa:659 kN; Basic dynamic load rating C:15100 kN; d1 ≈:800 mm; r1,2 min.:3.3 mm; Comparative radial load rating CF:4050 kN; D1 ≈:898 mm; Calculation factor e:0.33; r3,4 min.:6.4 mm; Thrust factor K:1.76; D:990.6 mm; Design variant/feature:TQO.1/GWI;
62.20.0710.001.21.1503 Standard 5 Slewing Ring Bearings	RG:1 NPT; Cap bolt:1 1/8-7 UNC; Cap bolt recommended tightening torque:1735.4 N·m; J1:114.3 mm; End plug (suffix Y):EPR 21; PG:1/4 NPT; A2:276.225 mm; H2:79.375 mm; da:190 mm; P150°:136 kN; S:4.763 mm; H1:200.025 mm; P90°:249 kN; P120°:151 kN; N1:34.925 mm; R1:120.65 mm; Labyrinth ring (dc shaft position):LOR 160; L:711.2 mm; H:398.462 mm; PosiTrac Plus contact element (db shaft position):B10724-170;
231.20.0400.503 Type 21/520.1 Standard 5 Slewing Ring Bearings	Basic dynamic load rating C:1340 kN; Ca min.:13 mm; B:80.963 mm; Fatigue load limit Pu:255 kN; d1 ≈:615.5 mm; D:692.15 mm; da max.:583 mm; Basic static load rating C0:3450 kN; Da min.:646 mm; db min.:581 mm; Db min.:667 mm; ra max.:6 mm; Cb min.:19 mm; rb max.:6 mm; C:61.913 mm; Dimension series:L 476500; Reference speed:530 r/min; Calculation factor Y0:0.9; Da max.:660 mm; Mass bearing:67 kg;
60.22.0505.000.11.1503 Standard 5 Slewing Ring Bearings	Shaft Attachment Type:SETSCREW; Housing Product Type:K / DI; Bearing Insert Material:Steel; Split Housing:SPLIT; Expansion Type:Non-Expansion; Setscrew Angle:65; Bearing Bore Shape:Tapered; Seal Type:Triple Lip; Grease Type:Mobilgrease XHP222; UPC:782475699162; Housing Type:4 Bolt Flange; Bearing Locking Device:Setscrew; d:3.4375 in; Bearing Series:307 Series; Housing Series:307 SERIES (303 - 30; Ship Weight:47 LB;
61.20.0630.100.11.1503 Standard 5 Slewing Ring Bearings	ra max.:6 mm; Da max.:229.5 mm; Calculation factor e:0.44; r3,4 min.:4 mm; Ca min.:10 mm; Limiting speed:2400 r/min; Basic dynamic load rating C:649 kN; Reference speed:2000 r/min; da max.:174 mm; d:160 mm; C:50 mm; Fatigue load limit Pu:96.5 kN; r1,2 min.:6 mm; D:245 mm; db min.:181 mm; Cb min.:11 mm; Calculation factor Y0:0.8; a:57.19 mm; Db min.:236 mm; d1 ≈:204.25 mm;
232.20.0500.013 Type 21/650.2 Standard 5 Slewing Ring Bearings	Shaft Attachment (2):Set Screw; Bearing Series:214 Series; Housing Coating:Powder Coat; Ship Weight:11.8 LB; Base to Center Height:Not Applicable; Bearing Duty:Medium Duty; d:2.4375 in; Flinger Type:Rubberized; Self Aligning:Self Centering; Manufacturing Plant Location:Rogersville, TN; Retainer Type:Max Life Cage; End Cap Groove:Yes; Bearing Inner Ring Material:Steel; Ball Grade:Class 10; Bearing Family:Setscrew Ball Bearin;

3R8-68N3B Rotek Slewing Ring Bearings Video

Rotek 3R8-68N3B INTERCHANGE

Slewing Ring Bearings Part series 3R8-68N3B is a potential replacement for these common bearing part numbers:

NSK3R8-68N3B
SKF3R8-68N3B
NTN3R8-68N3B
FAG3R8-68N3B
TIMKEN3R8-68N3B
KOYO3R8-68N3B
NACHI3R8-68N3B
DODGE3R8-68N3B

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