JCB slewing bearing

Standard series KD 210 (2)

Standard bearing type 21, double number of bolt holes

Without gear

Drawing No.	Ball track dia.	Weight	Outer diameter (O.D.)	Inner diameter (I.D.)	Overall height
	DL	[kg]	Da	Di	H
	[mm]		[mm]	[mm]	[mm]
230.20.0400.503	414	23.0	518	304	56
Typ 21/520.0
230.20.0500.503	544	30.4	648	434	56
Typ 21/650.0
230.20.0600.503	644	35.8	748	534	56
Typ 21/750.0
230.20.0700.503	744	42.2	848	634	56
Typ 21/850.0
230.20.0800.503	844	47.1	948	734	56
Typ 21/950.0
230.20.0900.503	944	52.3	1048	834	56
Typ 21/1050.0

Please download detail technical specification

With external gear

Drawing No.	Ball track dia.	Weight	Outer diameter (O.D.)	Inner diameter (I.D.)	Overall height
	DL	[kg]	Da	Di	H
	[mm]		[mm]	[mm]	[mm]
231.20.0400.503	414	29.0	504	304	56
Typ 21/520.1
231.20.0500.503	544	39.2	640.8	434	56
Typ 21/6501
231.20.0600.503	644	47.2	742.8	534	56
Typ 21/750.1
231.20.0700.503	744	53.1	838.8	634	56
Typ 21/850.1
231.20.0800.503	844	64.7	950.4	734	56
Typ 21/950.1
231.20.0900.503	944	69.1	1046.4	834	56
Typ 21/1050.1

Please download detail technical specification

With internal gear

Drawing No.	Ball track dia.	Weight	Outer diameter (O.D.)	Inner diameter (I.D.)	Overall height
	DL	[kg]	Da	Di	H
	[mm]		[mm]	[mm]	[mm]
232.20.0400.503	414	26.9	518	326,5	56
Typ 21/520.2
232.20.0500.503	544	36.7	648	445,2	56
Typ 21/650.2
232.20.0600.503	644	43.4	748	547,2	56
Typ 21/750.2
232.20.0700.503	744	50.8	848	649,2	56
Typ 21/850.2
232.20.0800.503	844	61	948	737,6	56
Typ 21/950.2
232.20.0900.503	944	65.4	1048	841,6	56
Typ 21/1050.2

Please download detail technical specification

1. Standard series KD 210 (single-row ball slewing rings)

Standard bearing type 21, standard number of bolt holes

Standard bearing type 21, double number of bolt holes

Standard bearing type 21, Bearing with limited clearance

Standard bearing type 110, standard bearing

Standard bearing type 110, Bearing with limited clearance

2. Standard series KD 320 (Double-row ball slewing rings)

Bearing with external gear

Bearing with internal gear

3. Standard series KD 600 (Four-point contact ball slewing rings)

Bearing without gear

Bearing with external gear

Bearing with internal gear

Standard bearing type 621, standard bearing

Standard bearing type 621, Bearing with limited clearance

Standard bearing type 625, standard bearing

Standard bearing type 625, Bearing with limited clearance

4. Standard series RD 700 (Ball and roller slewing rings)

Bearing with external gear

5. Standard series RD 800 (Cross roller slewing rings)

Bearing with external gear

Bearing with internal gear

6. Standard series RD 900 (Triple-row roller slewing rings)

Bearing with external gear

Bearing with internal gear

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