Hitachi EX90 Excavator Slewing Bearing

r1,2 min.	7.5 mm
Basic dynamic load rating C	8800 kN
Mass bearing + sleeve	780 kg
B2 ≈	302 mm
Ca min.	3.2 mm
G1	50 mm
da min.	725 mm
d2 ≈	806 mm
G	Tr 750x7
s1 max.	47.3 mm
da max.	853 mm
D	1030 mm
Da max.	1002 mm
Reference speed	400 r/min
Misalignment factor k1	0.119
Fatigue load limit Pu	1060 kN
ra max.	6 mm
Operating clearance factor k2	0.104
B	236 mm
B1	286 mm

Hitachi EX90 Excavator Slewing Bearing cross reference chart
No.	Brand	d	T	m	C	B	D	C0	D1
4450	INA	114,3 mm	41,28 mm	3,207 kg / Weight	-	-	171,45 mm	-	-
4451	INA	117,475 mm	41,28 mm	3,67 kg / Weight	-	-	174,63 mm	-	-
4453	INA	123,825 mm	41,28 mm	-	149 kN	-	180,98 mm	445 kN	124,612 mm
4454	INA	127 mm	41,28 mm	-	149 kN	-	184,15 mm	445 kN	127,787 mm
4455	INA	130,175 mm	41,275 mm	-	159 kN	-	187,325 mm	490 kN	130,962 mm
4457	INA	136,525 mm	41,4 mm	-	159 kN	-	193,675 mm	490 kN	137,312 mm
4459	INA	142,875 mm	47,63 mm	-	228 kN	-	212,73 mm	690 kN	143,662 mm
445533A	SKF	37 mm	-	-	37 mm	37 mm	72,02 mm	-	-
445979	SKF	25 mm	-	-	32 mm	32 mm	56 mm	-	-
445980A	SKF	35 mm	-	-	32 mm	32 mm	66 mm	-	-
445-2	TIMKEN	1.125 Inch \| 28.575 Millimeter	-	-	-	1.177 Inch \| 29.896 Millimeter	0 Inch \| 0 Millimeter	-	-

210DBS203y Slewing Bearing	Reference Speed Rating (r/min):2600; d:120mm; Static Load Rating (kN):816; Seals or Shields:Open Type; B:62mm; Clearance:Standard; SKU:23124kejw33-timken; D:200mm; Availability:In Stock; Cage Type:Steel; Dynamic Load Rating (kN):621; Limiting Speed Rating (r/min):2200; Weight:7.90 KGS;
225DBS202y Slewing Bearings	d:45 mm; Oil:9 400 min-1; Pu:0.924 kN; D:85 mm; rs:1.1 mm; da:52 min; Da:78 max; Weight:0.404 kg; Static (Cor):20.325 kN; ra:1 max; Grease:7 900 min-1; Dynamic (Cr):32.678 kN; B:19 mm; Bearing designation:6209 ;
RKS.921155203001 Crossed Roller Slewing Bearing Price	Seals or Shields:Open Type; d:20mm; Dynamic Load Rating (kN):14.6; Grease Limiting Speed (r/min):34400; B:14mm; D:47mm; Preload:Light; Clearance:Standard; Oil Limiting Speed (r/min):52300; Static Load Rating (kN):8.05; Availability:In Stock; Cage Type:Plastic; SKU:7204ctrsulp3-nsk; Weight:0.02 KGS;
RKS.160.16.1534 Crossed Roller Slewing Bearing Price	Weight:0.02 KGS; D:180mm; B:46mm; Seals or Shields:Open Type; Clearance:Standard; Cage Type:Brass; d:100mm; SKU:22220-e1a-m-qbl; Availability:In Stock;
RKS.160.16.1314 Crossed Roller Slewing Bearing Price	Clearance:C3; Availability:In Stock; Cage Type:Plastic; Grease Limiting Speed (r/min):6200; SKU:3306btnc3-nsk; Dynamic Load Rating (kN):41000; B:30.2mm; Static Load Rating (kN):27400; Weight:0.59 KGS; D:72mm; d:30mm; Oil Limiting Speed (r/min):7900; Seals or Shields:Open Type;
220DBS201y Slewing Bearing	d1:197 mm; B:13.5 mm; d:140 mm; r1,2 min.:1.5 mm; Mass shaft washer:1.69 kg;
RKS.160.16.1754 Crossed Roller Slewing Bearing Price	Taconite seal (dc shaft position):TER 23; RG:1/8 NPT; H1:76.2 mm; A1:69.85 mm; N1:19.05 mm; Ca:50.8 mm; ba:34.925 mm; R1:42.862 mm; da:50 mm; P180°:15.6 kN; H2:28.575 mm; Cap bolt, SAE grade:8; P150°:12.9 kN; J min.:196.85 mm; Taconite seal (db shaft position):TER 35; P60°:39.1 kN; Housi
RKS.160.20.1904 Crossed Roller Slewing Bearing Price	d1:115 mm; Mass bearing + sleeve:13 kg; Basic dynamic load rating C:732 kN; Limiting speed:2800 r/min; G1:13 mm; Calculation factor Y2:2.9; b:8.3 mm; Calculation factor e:0.35; Calculation factor Y1:1.9; K:4.5 mm; ra max.:2 mm; D:215 mm; Reference speed:2000 r/min; B:76 mm; da min.:128 mm; Basic sta
RKS.160.16.1424 Crossed Roller Slewing Bearing Price	Calculation factor fHC:1; D:80 mm; Reference grease quantity Gref:2.49 cm³; Preload class B GB:240 N; Mass bearing:0.18 kg; Preload class C GC:480 N; Ball diameter Dw:7.938 mm; r1,2 min.:1 mm; Calculation factor e:0.68; Da max.:75.4 mm; Static axial stiffness, preload class C:211 N/µm; d2
RKS.160.16.1644 Crossed Roller Slewing Bearing Price	D:3.346inch; d:45mm; B:24.75mm; Cage Type:Steel; D:85mm; B:0.9744inch; Seals or Shields:Open Type; Availability:In Stock; d:1.77inch; Weight:0.02 KGS; SKU:32209a-qbl; Clearance:Standard;

Min.Order Quantity	1 pcs
Price	Negotiable

Hitachi EX90 Excavator Slewing Bearing

Product Features

Hitachi EX90 Excavator Slewing Bearing cross reference chart

Hitachi EX90 Excavator Slewing Bearing Video