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3R8-88N9 Rotek Slewing Ring Bearings

Name: 3R8-88N9 Rotek Slewing Ring Bearings
Brand: Rotek
SKU: 3R8-88N9
Rating: 4.9 (5 reviews)

Rotek 3R8-88N9 Bearing SPECIFICATIONS

Brand Name:Rotek
Model Number:
3R8-88N9
Bearing number:6704ZZ
Size (mm):20x27x4
Bore Diameter (mm):20,000
Outer Diameter (mm):27,000
Width (mm):4,000
d:20,000 mm
D:27,000 mm
B:4,000 mm

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BEARING-SINGAPORE (PTE)LTD.2020-07-10 09:46:19
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Slewing Ring Bearings Details

Bearing number:6704ZZ
Size (mm):20x27x4
Bore Diameter (mm):20,000
Outer Diameter (mm):27,000
Width (mm):4,000
d:20,000 mm
D:27,000 mm
B:4,000 mm
C:4,000 mm
Category:Single Row Ball Bearing
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0.006
Product Group:B00308
Enclosure:2 Metal Shields
Precision Class:ABEC 1 | ISO P0
Maximum Capacity / Filling Slot:No
Rolling Element:Ball Bearing
Snap Ring:No
Internal Special Features:No
Cage Material:Steel
Internal Clearance:C0-Medium
Inch - Metric:Metric
Long Description:20MM Bore; 27MM Outside Diameter; 4MM Outer Race Width; 2 Metal Shields; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; No Internal Special Features; C0-Medium Internal Clearance; Steel
Other Features:Deep Groove
UNSPSC:31171504
Harmonized Tariff Code:8482.10.50.68
Noun:Bearing
Keyword String:Ball
Manufacturer Item Number:6704ZZ
Outside Diameter:1.063 Inch | 27 Millimeter
Inner Race Width:0 Inch | 0 Millimeter
Outer Race Width:0.157 Inch | 4 Millimeter
Bore:0.787 Inch | 20 Millimeter

Rotek 3R8-88N9 3R8-88N9 Rotek Slewing Ring Bearings Description

T	46.4 mm
d	34.925 mm
Recommended diameter for attachment bolts, inch G	0.5 in
Basic dynamic load rating C	21.6 kN
B	42.9 mm
Housing material	Composite for food a
Thread grub screw G2	5/16-24 UNF
J	92 mm
Hexagonal key size for grub screw N	3.969 mm
Db	90 mm
Recommended diameter for attachment bolts, mm G	12 mm
N	14.8 mm
Basic static load rating C0	15.3 kN
s1	25.4 mm
L	118 mm
Recommended tightening torque for grub screw	6.5 N·m
A	35 mm
Mass bearing unit	0.75 kg
A5	32 mm
Limiting speed	3200 r/min

162.25.0980.891.21.1503 Standard 5 Slewing Ring Bearings	d:15.000 mm; Oil Speed Rating n2:17000 rpm; Basic Static Radial Load Rating Co:6800 N; Grease Speed Rating n1:12000 rpm; Basic Dynamic Radial Load Rating C:11400 N; Fillet Radius ra:0.64 mm; Sealed Speed Rating n3:12000 rpm; Accessories:No Shield, no Seal; D:35.0000 mm; D2R:33.200 mm; B:15.9 mm;
230.20.0900.503 Type 21/1050. Standard 5 Slewing Ring Bearings	Lubricant:Regular relubricatio; ra max.:1 mm; Material constant KM:330; b1:10 mm; α:6 °; d:120.65 mm; D:187.325 mm; rb max.:1.1 mm; Design (sliding contact surface combination):Steel/steel; Da max.:179 mm; r2 min.:1.1 mm; da min.:129 mm; Basic static load rating C0:3750 kN; B:105.562 mm; C:90.47
282.30.0900.013 Type 110/1100.2 Standard 5 Slewing Ring Bearings	d3:190 mm; B:25 mm; G:M 160x3; d1:140 mm; Mass adapter sleeve assembly:7.95 kg; B4:28 mm; B1:147 mm; d:160 mm; Hydraulic nut:HMV 32 E;
162.25.0980.890.11.1503 Standard 5 Slewing Ring Bearings	d:420 mm; Weight:215 ; Pu:456.800 kg; B1:150 mm; Bearing designation:PLC 512-44 ; D:620 mm; Dynamic (Cr):2937.6 kN; Static (Cor):6142.5 ; B:238 mm;
161.25.0980.890.11.1503 Standard 5 Slewing Ring Bearings	Grub (set) screw size:M6; d3:85 mm; d1:76 mm; Axial static load carrying capacity:108 kN; Mass lock nut:0.26 kg; Associated spanner:HN 12-13; Recommended grub screw tightening torque:8 N·m; B3:3 mm; h:3 mm; G:M 65x2; b:7 mm; B:15 mm;
232.21.0975.013 Type 21/1050.2 Standard 5 Slewing Ring Bearings	d:30.163 mm; A5:20 mm; N4:2 mm; Fatigue load limit Pu:0.475 kN; A:32.5 mm; H:141.5 mm; Basic dynamic load rating C:19.5 kN; J7:12.5 mm; Db1:77 mm; Limiting speed:1200 r/min; Da:76.2 mm; Hexagonal key size for grub screw N:3.969 mm; T:50.1 mm; Recommended diameter for attachment bolts, inch G:0.375 i
232.20.0900.013 Type 21/1050.2 Standard 5 Slewing Ring Bearings	h:96.5 mm; a:4 mm; α:124 °; Tolerance shaft:e7; B:80 mm; Specific dynamic load factor K:25 N/mm²; d:95 mm; Mass bushing:2.3 kg; Permissible sliding velocity v min.:0 m/s; Permissible sliding velocity v max.:0.5 m/s; Specific static load factor K0:45 N/mm²; Coefficient of friction &micr
231.21.0975.013 Type 21/1050.1 Standard 5 Slewing Ring Bearings	Basic static load rating C0:390 kN; Mass bearing (including seat washer where applicable):3.2 kg; C:15 mm; R:125 mm; Minimum load factor A:1; Basic dynamic load rating C:127 kN; D2:145 mm; D1 ≈:123 mm; H:40.8 mm; da min.:150 mm; Reference speed:1500 r/min; H1:46 mm; d1 ≈:170 mm; ra max.:
231.20.0900.013 Type 21/1050.1 Standard 5 Slewing Ring Bearings	d2 max.:182 mm; h:295 mm; Basic static load rating C0:585 kN; C1 max.:48 mm; l2 max.:389 mm; B:55 mm; dk:105 mm; G:M 80x4; d:80 mm; Material constant KM:330; l7 min.:98 mm; Specific dynamic load factor K:100 N/mm²; Mass rod end:14.5 kg; α:6 °; Basic dynamic load rating C:400 kN; l1 min.:147
231.20.0900.503 Type 21/1050.1 Standard 5 Slewing Ring Bearings	d:35 mm; r1,2 min.:1 mm; Calculation factor fHC:1.01; Ball diameter Dw:7.144 mm; Fatigue load limit Pu:0.28 kN; Mass bearing:0.14 kg; D2:54.85 mm; db max.:41 mm; Preload class B GB:180 N; Preload class A GA:60 N; r3,4 min.:0.6 mm; d2:41.6 mm; D:62 mm; Attainable speed for grease lubrication:40000 r/
62.25.0955.500.11.1503 Standard 5 Slewing Ring Bearings	Sealed Speed Rating n3:0 rpm; Oil Speed Rating Open/Shielded n2:1200 rpm; Basic Dynamic Radial Load Rating C:251000 N; D:520.0000 mm; Basic Static Radial Load Rating Co:390000 N; Accessories:Two Shields; Fillet Radius ra:2.00 mm; Grease Speed Rating Open/Shielded n1:950 rpm; d:420.000 mm; B:46.00 mm
282.30.0975.013 Type 110/1100.2 Standard 5 Slewing Ring Bearings	B4:30.963 mm; G:179.476 mm; B1:127.711 mm; d:180 mm; Mass adapter sleeve assembly:7.75 kg; Threads per inch:8; B:28.042 mm; Sleeve:S 36x6.1/2; d1:165.1 mm; d3 max.:209.677 mm; Hydraulic nut:HMVC 36E;
230.21.0975.013 Type 21/1050. Standard 5 Slewing Ring Bearings	Ca:55.804 mm; Appropriate attachment bolt size G:0.75 in; P120°:44.5 kN; P90°:71.2 kN; J1:60.325 mm; A2:222.25 mm; h:42.069 mm; End plug (suffix Y):EPR 15; P150°:40 kN; Pa:13.8 kN; H2:44.45 mm; Housing:FSAF 520; Mass pillow block:28.1 kg; A1:111.125 mm; Cap bolt, SAE grade:5; PG:1/4 NPT;
230.20.0900.013 Type 21/1050. Standard 5 Slewing Ring Bearings	F:34 mm; Static (Coa):36.2 kN; E:mm; B:17 mm; b:4 mm; rs (min):1.1 mm; s:1.4 mm; r1s (min):1.1 mm; Dynamic (Ca):43 kN; D:62 mm; Pu:4.410 kN; d2:25 mm; d2 (max):38.3 mm; b1:7 mm;

3R8-88N9 Rotek Slewing Ring Bearings Video

Rotek 3R8-88N9 INTERCHANGE

Slewing Ring Bearings Part series 3R8-88N9 is a potential replacement for these common bearing part numbers:

NSK3R8-88N9
SKF3R8-88N9
NTN3R8-88N9
FAG3R8-88N9
TIMKEN3R8-88N9
KOYO3R8-88N9
NACHI3R8-88N9
DODGE3R8-88N9

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BEARING-SINGAPORE (PTE)LTD.: AddressRm.727, 5, Jungang-Daero 775 Beon-Gil, Busanjin-Gu, Busan, 47221, Korea; Phone(Working Time)82-2-220-3666; Fax

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