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FLT Bearing Data - Tolerances, Clearances

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FŁT Bearing Data - Tolerances, Clearances

Bearing tolerances - Normal tolerances for radial (except taper roller bearings) - Inter ring

d		Δdmp		Vdp			Vdmp	ΔB_s		V_Bs	K_ia
				Diameter Series
				8.9	0.1	2.3.4
over	incl.	high	low	max	max	max	max	high	low	max	max
mm		µm		µm			µm	µm		µm	µm
2,5	10	0	-8	10	8	6	6	0	-120	15	10
10	18	0	-8	10	8	6	6	0	-120	20	10
18	30	0	-10	13	10	8	8	0	-120	20	13
30	50	0	-12	15	12	9	9	0	-120	20	15
50	80	0	-15	19	19	11	11	0	-150	25	20
80	120	0	-20	25	25	15	15	0	-200	25	25
120	180	0	-25	31	31	19	19	0	-250	30	30
150	250	0	-30	38	38	23	23	0	-300	30	40
250	315	0	-35	44	44	26	26	0	-350	35	50

Bearing tolerances - Normal tolerances for radial (except taper roller bearings) - Outer ring

d		Δdmp		Vdp			Bearings with shields or seals*	Vdmp	ΔC_s'	V_Cs	K_ea
				Diameter Series
				8.9	0.1	2.3.4
over	incl.	high	low	max	max	max	max	max			max
mm		µm		µm			µm	µm			µm
6	18	0	-8	10	8	6	10	6			15
18	30	0	-9	12	9	7	12	7			15
30	50	0	-11	14	11	8	16	8			20
50	80	0	-13	16	13	10	20	10			25
80	120	0	-15	19	19	11	26	11			35
120	150	0	-18	23	23	14	30	14			40
150	180	0	-25	31	31	19	38	19			45
180	250	0	-30	38	38	23		23			50
250	315	0	-35	44	44	26		26			60
315	400	0	-40	50	50	30		30			70
400	500	0	-45	56	56	34		34			80

Bearing tolerances - Class P6 tolerances for radial bearings (except taper roller beraings) - Inter ring

d		Δdmp		Vdp			Vdmp	ΔB_s		V_Bs	K_ia
				Diameter Series
				8.9	0.1	2.3.4
over	incl.	high	low	max	max	max	max	high	low	max	max
mm		µm		µm			µm	µm		µm	µm
2,5	10	0	-7	9	7	5	5	0	-120	15	6
10	18	0	-7	9	7	5	5	0	-120	20	7
18	30	0	-8	10	8	6	6	0	-120	20	8
30	50	0	-10	13	10	8	8	0	-120	20	10
50	80	0	-12	15	15	9	9	0	-150	25	10
80	120	0	-15	19	19	11	11	0	-200	25	13

Bearing tolerances - Class P6 tolerances for radial bearings (except taper roller beraings) - Outer ring

d		Δdmp		Vdp			Bearings with shields or seals*	Vdmp	ΔC_s'	V_Cs	K_ea
				Diameter Series
				8.9	0.1	2.3.4
over	incl.	high	low	max	max	max	max	max			max
mm		µm		µm			µm	µm			µm
6	18	0	-7	9	7	5	9	5			8
18	30	0	-8	10	8	6	10	6			9
30	50	0	-9	11	9	7	13	7			10
50	80	0	-11	14	11	8	16	8			13
80	120	0	-13	16	16	10	20	10			18
120	150	0	-15	19	19	11	25	11			20

Bearing tolerances - Normal tolerances for taper roller bearings (metric size) - Inter ring

d		Δdmp		Vdp	Vdmp	ΔB_s		K_ia	ΔT_s		ΔT_1s		ΔT_2s
over	incl.	high	low	max	max	high	low	max	high	low	high	low	high	low
mm		µm		µm	µm	µm		µm	µm		µm		µm
10	18	0	-12	12	9	0	-120	15	+200	0	+100	0	+100	0
18	30	0	-12	12	9	0	-120	18	+200	0	+100	0	+100	0
30	50	0	-12	12	9	0	-120	20	+200	0	+100	0	+100	0
50	80	0	-15	15	11	0	-150	25	+200	0	+100	0	+100	0
80	120	0	-20	20	15	0	-200	30	+200	-200	+100	-100	+100	-100
120	180	0	-25	25	19	0	-250	35	+350	-250	+150	-150	+200	-100
180	250	0	-30	30	23	0	-300	50	+350	-250	+150	-150	+200	-100

Bearing tolerances - Normal tolerances for taper roller bearings (metric size) - Outer ring

D		Δdmp		VDp	VDmp	ΔC_s	K_ia
over	incl.	high	low	max	max		max
mm		µm		µm	µm	µm	µm
18	30	0	-12	12	9		18
30	50	0	-14	14	11		20
50	80	0	-16	16	12		25
80	120	0	-18	18	14		35
120	150	0	-20	20	15		40
150	180	0	-25	25	19		45
180	250	0	-30	30	23		50
250	315	0	-35	35	26		60
315	400	0	-40	40	30		70

Bearing tolerances - Tolerances for thrust bearings - Shaft washer

d		Tolerance Class P0, P6			Tolerance Class
		Tolerance Class P0, P6			P0	P6
		ΔDmp		VDp	S_i*	S_i*
over	incl.	high	low	max	max	max
mm		µm			µm
	18	0	-8	6	10	5
18	30	0	-10	8	10	5
30	50	0	-12	9	10	6
50	80	0	-15	11	10	7
80	120	0	-20	15	15	8
120	180	0	-25	19	15	9
180	250	0	-30	23	20	10
250	315	0	-35	26	25	13
315	400	0	-40	30	30	15
400	500	0	-45	34	30	18
500	630	0	-50	38	35	21

Bearing tolerances - Tolerances for thrust bearings - Housing washer

D		Tolerance Class
D		ΔDmp		VDp	S_e
over	incl.	high	low	max
mm		µm		µm
18	30	0	-13	10
30	50	0	-16	12
50	80	0	-19	14
80	120	0	-22	17
120	180	0	-25	19
180	250	0	-30	23
250	315	0	-35	26
315	400	0	-40	30
400	500	0	-45	34
500	630	0	-50	38
630	800	0	-75	55
800	1000	0	-100	75

Tolerances of hardened carbon steel balls (ISO 3290)

Grade	Ball Diameter		Tolerances				Gauge Interval	Gauge Mean Values (deviation range)
	Dw		V_Dws	t_Dw	R_a	V_DwL	I
	over	incl.	max	max	max	max	I
	mm		µm				µm	µm
G3	-	12,7	0,08	0,08	0,012	0,13	0,5	-5…	-0,5	0	+0,5…	+5
G5	-	12,7	0,13	0,13	0,02	0,25	1	-5…	-1	0	+1…	+5
G10	-	25,4	0,25	0,25	0,025	0,5	1	-9…	-1	0	+1…	+9
G16	-	25,4	0,4	0,4	0,032	0,8	2	-10…	-2	0	+2…	+10
G20	-	25,4	0,5	0,5	0,04	1	2	-10…	-2	0	+2…	+10
G28	25,4	50,8	0,7	0,7	0,05	1,4	2	-12…	-2	0	+2…	+12
G40	-	101,6	1	1	0,08	2	4	-16…	-4	0	+4…	+16
G100	101,6	152,4	2,5	2,5	0,125	5	5	-20…	-5	0	+5…	+20
G100	152,4	175	2,5	2,5	0,125	5	10	-40…	-10	0	+10…	+40
G200	175	250	5	5	0,2	10	15	-60…	-15	0	+15…	+60

Internal Clearances - Radial internal clearance of deep groove ball bearings

Bore Diameter		Radial Internal Clearance
d		C2		Normal		C3		C4		C5
over	incl.	min	max	min	max	min	max	min	max	min	max
mm		µm		µm		µm		µm		µm
2,5	10	0	7	2	13	8	23	14	29	20	37
10	18	0	9	3	18	11	25	18	33	25	45
18	24	0	10	5	20	13	28	20	36	28	48
24	30	1	11	5	20	13	28	23	41	30	53
30	40	1	11	6	20	15	33	28	46	40	64
40	50	1	11	6	23	18	36	30	51	45	73
50	65	1	15	8	28	23	43	38	61	55	90
65	80	1	15	10	30	25	51	46	71	65	105
80	100	1	18	12	36	30	58	53	84	75	120
100	120	2	20	15	41	36	66	61	97	90	140
120	140	2	23	18	48	41	81	71	114	105	160
140	160	2	23	18	53	46	91	81	130	120	180
160	180	2	25	20	61	53	102	91	147	135	200
180	200	2	30	25	71	63	117	107	163	150	230
200	225	4	32	28	82	73	132	120	187	175	255

Internal Clearances - Radial internal clearance of self-aligning ball bearings - Bearings with cylindrical bore

Bore Diameter		Radial Internal Clearance
d		C2		Normal		C3		C4
over	incl.	min	max	min	max	min	max	min	max
mm		µm		µm		µm		µm
2,5	6	1	8	5	15	10	20	15	25
6	10	2	9	6	17	12	25	19	33
10	14	2	10	6	19	13	26	21	35
14	18	3	12	8	21	15	28	23	37
18	24	4	14	10	23	17	30	25	39
24	30	5	16	11	24	19	35	29	46
30	40	6	18	13	29	23	40	34	53
40	50	6	19	14	31	25	44	37	57
50	65	7	21	16	36	30	50	45	69
65	80	8	24	18	40	35	60	54	83
80	100	9	27	22	48	42	70	64	96
100	120	10	31	25	56	50	83	75	114
120	140	10	38	30	68	60	100	90	135

Internal Clearances - Radial internal clearance of self-aligning ball bearings - Bearings with tapered bore

Bore Diameter		Radial Internal Clearance
d		C2		Normal		C3		C4
over	incl.	min	max	min	max	min	max	min	max
mm		µm		µm		µm		µm
18	24	7	17	13	26	20	33	28	42
24	30	9	20	15	28	23	39	33	50
30	40	12	24	19	35	29	46	40	59
40	50	14	27	22	39	33	52	45	65
50	65	18	32	27	47	41	61	56	80
65	80	23	39	35	57	50	75	69	98
80	100	29	47	42	68	62	90	84	116
100	120	35	56	50	81	75	108	100	139

Internal Clearances - Radial internal clearance of cylindrical roller bearings

Bore Diameter		Radial Internal Clearance
d		C2		Normal		C3		C4
over	incl.	min	max	min	max	min	max	min	max
mm		µm		µm		µm		µm
-	24	0	25	20	45	35	60	50	75
24	30	0	25	20	45	35	60	50	75
30	40	5	30	25	50	45	70	60	85
40	50	5	35	30	60	50	80	70	100
50	65	10	40	40	70	60	90	80	110
65	80	10	45	40	75	65	100	90	125
80	100	15	50	50	85	75	110	105	140
100	120	15	55	50	90	85	125	125	165
120	140	15	60	60	105	100	145	145	190
140	160	20	70	70	120	115	165	165	215
160	180	25	75	75	125	120	170	170	220
180	200	35	90	90	145	140	195	195	250
200	225	45	105	105	165	160	220	220	280
225	250	45	110	110	175	170	235	235	300
250	280	55	125	125	195	190	260	260	330
280	315	55	130	130	205	200	275	275	350
315	355	65	145	145	225	225	305	305	385
355	400	100	190	190	280	280	370	370	460
400	450	110	210	210	310	310	410	410	510
450	500	110	220	220	330	330	440	440	550
500	560	120	240	240	360	360	480	480	600

Internal Clearances - Radial internal clearance of spherical roller bearings with cylindrical bore

Bore Diameter		Radial Internal Clearance
d		C2		Normal		C3		C4		C5
over	incl.	min	max	min	max	min	max	min	max	min	max
mm		µm		µm		µm		µm		µm
18	24	10	20	20	35	35	45	45	60	60	75
24	30	15	25	25	40	40	55	55	75	75	95
30	40	15	30	30	45	45	60	60	80	80	100
40	50	20	35	35	55	55	75	75	100	100	125
50	65	20	40	40	65	65	90	90	120	120	150
65	80	30	50	50	80	80	110	110	145	145	180
80	100	35	60	60	100	100	135	135	180	180	225
100	120	40	75	75	120	120	160	160	210	210	260
120	140	50	95	95	145	145	190	190	240	240	300
140	160	60	110	110	170	170	220	220	280	280	350
160	180	65	120	120	180	180	240	240	310	310	390
180	200	70	130	130	200	200	260	260	340	340	430
200	225	80	140	140	220	220	290	290	380	380	470
225	250	90	150	150	240	240	320	320	420	420	520
250	280	100	170	170	260	260	350	350	460	460	570
280	315	110	190	190	280	280	370	370	500	500	630
315	355	120	200	200	310	310	410	410	550	550	690
355	400	130	220	220	340	340	450	450	600	600	750
400	450	140	240	240	370	370	500	500	660	660	820
450	500	140	260	260	410	410	550	550	720	720	900
500	560	150	280	280	440	440	600	600	780	780	1000
560	630	170	310	310	480	480	650	650	850	850	1100
630	710	190	350	350	530	530	700	700	920	920	1190
710	800	210	390	390	580	580	770	770	1010	1010	1300

Internal Clearances - Radial internal clearance of spherical roller bearings with tapered bore

Bore Diameter		Radial Internal Clearance
d		C2		Normal		C3		C4		C5
over	incl.	min	max	min	max	min	max	min	max	min	max
mm		µm		µm		µm		µm		µm
24	30	20	30	30	40	40	55	55	75	-	-
30	40	25	35	35	50	50	65	65	85	85	105
40	50	30	45	45	60	60	80	80	100	100	130
50	65	40	55	55	75	75	95	95	120	120	160
65	80	50	70	70	95	95	120	120	150	150	160
80	100	55	80	80	110	110	140	140	180	180	230
100	120	65	100	100	135	135	170	170	220	220	280
120	140	80	120	120	160	160	200	200	260	260	330
140	160	90	130	130	180	180	230	230	300	300	380
160	180	100	140	140	200	200	260	260	340	340	430
180	200	110	160	160	220	220	290	290	370	370	470
200	225	120	180	180	250	250	320	320	410	410	520
225	250	140	200	200	270	270	350	350	450	450	570
250	280	150	220	220	300	300	390	390	490	490	620
280	315	170	240	240	330	330	430	430	540	540	680
315	355	190	270	270	360	360	470	470	590	590	740
355	400	210	300	300	400	400	520	520	650	650	820
400	450	230	330	330	440	440	570	570	720	720	910
450	500	260	370	370	490	490	630	630	790	790	1000
500	560	290	410	410	540	540	680	680	870	870	1100
560	630	320	460	460	600	600	760	760	980	980	1230