Spherical Roller Bearings ,Radial Roller Bearings

spherical roller bearings

roller bearings

Spherical roller bearings have a high load rating and self-aligning ability, so it is suitable for applications at low/medium speed which involve heavy load and impact.

spherical roller bearings Models

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Sealed

Symbol Explanation

Open

Sealed

Symbol Explanation

No.	d	D	B
BS2-2205-2CS	25	52	23
BS2-2206-2CS	30	62	25
BS2-2207-2CS	35	72	28
BS2-2208-2CS	40	80	28
BS2-2209-2CS	45	85	28
BS2-2210-2CS	50	90	28
BS2-2211-2CS	55	100	31
BS2-2212-2CS	60	110	34
BS2-2213-2CS	65	120	38
BS2-2214-2CS	70	125	38
BS2-2215-2CS	75	130	38
BS2-2216-2CS	80	140	40
BS2-2217-2CS	85	150	44
BS2-2218-2CS	90	160	48
BS2-2220-2CS	100	180	55

TIMKEN⑴	SKF(2)	FAG⑶	NSK	Timken General Definition
EJ	E, EJA, C, CC, CCJA, EC, ECC	E1	EA, C, CD	Stamped nitrided steel cage – high performance
EM	CA, ECA, CAMA	M	CA	One-piece, roller-riding, machined-brass cage – high performance
EMB	CA, ECA, CAMA	MB	CA	One-piece, inner-ring-piloted, machined-brass cage – high performance
YMB	CA, ECA, CAMA	MB	CA	One-piece, inner-ring-piloted, machined-brass cage
YMD				Two-piece, inner-ring-piloted, machined-brass cage
C2	C2	C2	C2	Bearing radial internal clearance (RIC) smaller than normal
C3	C3	C3	C3	Bearing radial internal clearance (RIC) greater than normal
C4	C4	C4	C4	Bearing radial internal clearance (RIC) greater than C3
C5	C5	C5	C5	Bearing radial internal clearance (RIC) greater than C4
C6	C6	C6	CGxx, SLxx	Specific RIC designed to bearing size
S1(4)	S1	S1	S11	Bearing rings dimensionally stabilized for use at operating temperatures up to 200° C (392° F)
S2	S2	S2		Bearing rings dimensionally stabilized for use at operating temperatures up to 250° C (482° F)
S3	S3	S3		Bearing rings dimensionally stabilized for use at operating temperatures up to 300° C (572° F)
S4	S4	S4		Bearing rings dimensionally stabilized for use at operating temperatures up to 350° C (662° F)
C02	C02	T52BE	P5B, P53	Inner ring with P5 running accuracy, high point of eccentricity marked (SKF does not mark)
C04	C04	T52BN	P5C, P52	Outer ring with P5 running accuracy, high point of eccentricity marked (SKF does not mark)
C08	C08	T52BW	P55	P5 running accuracy (C02 + C04)
C08C3	C083	C3, T52BW	P55, C3	P5 running accuracy (C02 + C04), C3 RIC
C08C4	C084	C4, T52BW	P55, C4	P5 running accuracy (C02 + C04), C4 RIC
K	K	K	K	Tapered bore (1:12 on diameter 13, 22, 23, 30, 31, 32, 33, 38, 39 series)
K	K30	K30	K30	Tapered bore (1:30 on diameter 40, 41, 42 series)
W4	W4	J26A		Inner ring or sleeve marked to show high point of eccentricity
W6R				Engineered surface thin-film coating ES302 on roller contact surfaces
W20	W20	SY	E3	Outer ring with lubrication holes
W22	W22	T50H	S (a, b)	Special reduced O.D. tolerance on outer rings
W25	W73			Outer ring counter-drilled lubrication holes
W31	W31		U22	Bearing inspected to certain quality control requirements
W33	W33	S	E4	Standard lubrication holes and groove in outer ring
W40	ECD-	W209	g	Bearing made of carburizing-grade steel
W40I	HA3, ECB-	W209B	g3	Inner ring only made of carburizing-grade steel
W40R			gi	Roller only made of carburizing-grade steel
W40E			g2	Outer ring only made of carburizing-grade steel
W45A	VE 553			Tapped lifting holes in face of outer ring to facilitate lifting and handling
W47	VA414 (incl W800 & W47)	T41B (incl W22 & W47)		Inner ring with oversize bore
W84	W77	H44SA, H40	E42	Outer ring with standard lubrication holes plugged
W841	W	H40		Outer ring with no lubrication hole
W88				Special reduced bore tolerance on inner ring
W89				Inner ring with lubrication holes and lubrication groove
W94	W26	H40AB	E5	Inner ring lubrication holes
W507	W507	J26A	E4U22, E4P53	W31 + W33 + W45A
W509	W509 (W26 + W31 + W33)	S.H40A	E7U22	W31 + W33 + W94 + W45A (where feasible)
W525	W525 (W31 + W77)	S.H44S		W31 + W33 + W84 + W45A (where feasible)
W534				W507 + C08
W800	VA405	T41A	U15, VS	Shaker screen modification (W22 + W88 + radial internal clearance in upper 2/3 of range specified)
W906A	C083HA3	T52BW.W209B		C08 + W31 +W33 + W40I + W40R – Modification mainly used in paper industry

spherical roller bearings

roller bearings

cylindrical bore

tapered bore

spherical roller bearings Models

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related bearings

cylindrical roller bearings

needle roller bearings

tapered roller bearings

thrust roller bearings

No.	d	D	B
21304 CC	20	52	15
21305 CC	25	62	17
21306 CC	30	72	19
21307 CC	35	80	21
21307 CCK	35	80	21
21308 CC	40	90	23
21308 CCK	40	90	23
21308 CCK+H 308	35	90	23
21308EK.TVPB+AH308	40	90	23
21309 CC	45	100	25
21309 CCK	45	100	25
21309 CCK+H 309	40	100	25
21309EK.TVPB+AH309	45	100	25
21310 CC	50	110	27
21310 CCK	50	110	27
21310 CCK+H 310	45	110	27
21310EK.TVPB+AHX310	50	110	27
21311 CC	55	120	29
21311 CCK	55	120	29
21311 CCK+H 311	50	120	29
21311EK.TVPB+AHX311	55	120	29
21312 CC	60	130	31
21312 CCK	60	130	31
21312 CCK+H 312	55	130	31
21312EK.TVPB+AHX312	60	130	31
21313 CC	65	140	33
21313 CCK	65	140	33
21313 CCK+H 313	60	140	33
21313EK.TVPB+AH313G	65	140	33
21314 CC	70	150	35
21314 CCK	70	150	35
21314 CCK+H 314	60	150	35
21314EK.TVPB+AH314G	70	150	35
21314EK.TVPB+H314	70	150	35
21315 CC	75	160	37
21315 CCK	75	160	37
21315 CCK+H 315	65	160	37
21315EK.TVPB+AH315G	75	160	37
21315EK.TVPB+H315	75	160	37