Product Details

sowing machine bearing 22228 spherical roller bearing 22228CCK/W33 bearing size 140x250x68mm

Product Description

Spherical roller bearings have two rows of symmetrical rollers, a common sphered outer ring raceway and two inner ring raceways inclined at an angle to the bearing axis. The centre point of the sphere in the outer ring raceway is at the bearing axis.

Specification: 22228 spherical roller bearing, double row
Bore diameter: 140 mm
Outside diameter: 250 mm
Overall width: 68 mm
Bearing number of row: double row
Cage material: Steel cage, brass cage
Bore type: Tapered 1:12 / round bore
Maximum rpm: 3200 RPM
Dynamic load capacity: 743 kN
Static load capacity: 900 kN
Bearing material: Steel bearing, stainless bearing
Cage type: Inner Ring Guided
Internal clearance: C3, C4, C0
Lubrication hole type: Lubrication Groove & Hole

Features of spherical roller bearings:

1.Internal Structure and Retainer Material Variation
C: Symmetrical roller, Stamped Steel retainer Spherical Roller Bearing
CA: Symmetrical roller, one-pice brass cage Spherical Roller Bearing
CTN1: Symmetrical roller, nylon cage Spherical Roller Bearing
E: Third generation design. improved stress distribution; offer much longer service life than normal designs Spherical Roller Bearing
Q: Bronze cage Spherical Roller Bearing
MB: Symmetrical roller,Two-pice brass cage Spherical Roller Bearing
EM: Symmetrical roller, Special alloy Integral cage.Spherical Roller Bearing

2.External form change
K: Tapered bore bearing,taper is 1:12 Spherical Roller Bearing
K30: Tapered bore bearing,taper is 1:30 Spherical Roller Bearing
N: A snap ring groove on the outer ring Spherical Roller Bearing
W33: There are three lubrication groove and three lubrication holes in the outer ring

3. Ring high-temperature tempering
S0: Work temperature up to 150 degrees Celsius.Spherical Roller Bearing
S1: Work temperature up to 200 degrees Celsius.Spherical Roller Bearing
S2: Work temperature up to 250 degrees Celsius.Spherical Roller Bearing
S3: Work temperature up to 300 degrees Celsius.Spherical Roller Bearing
S4: Work temperature up to 350 degrees Celsius.Spherical Roller Bearing

4. Clearance
C0:Norminal clearance,omitted in destination Spherical Roller Bearing
C2:Less than Norminal clearance Spherical Roller Bearing
C3:Larger clearance than C0 Spherical Roller Bearing
C4: Larger clearance than C3 Spherical Roller Bearing
C5: Larger clearance than C3 Spherical Roller Bearing
C9:Special Clearance Spherical Roller Bearing

Spherical roller bearing catalogue:

Bearings NO.	d/mm	D/mm	B/mm	C/kN	C0/kN	Weight/kg
22208	40	80	23	96.5	90	0.53
BS2-2208-2CS	40	80	28	96.5	90	0.57
21308	40	90	23	104	108	0.75
22308	40	90	33	150	140	1.05
BS2-2308-2CS	40	90	38	150	140	1.2
22209	45	85	23	102	98	0.58
BS2-2209-2CS	45	85	28	102	98	0.66
21309	45	100	25	125	127	0.99
22309	45	100	36	183	183	1.35
22210	50	90	23	104	108	0.63
BS2-2210-2CS	50	90	28	104	108	0.7
BS2-2210-2CSK	50	90	28	104	108	0.7
21310	50	110	27	156	166	1.35
22310 cc/c3w33	50	110	40	220	224	1.9
22310cc/w33 c3	50	110	40	220	224	1.9
22310	50	110	40	220	224	1.85
22211	55	100	25	125	127	0.82
BS2-2211-2CS	55	100	31	125	127	1
BS2-2211-2CSK	55	100	31	125	127	1
21311	55	120	29	156	166	1.7
22212	60	110	31	156	137	1
20315-K-TVP-C3	75	160	37			3.7
22213	65	120	33	166	147	1
22214	70	130	35	176	157	1
22215	75	140	37	186	167	1.7