DryLin® R - Linear Low Clearance plain bearing RJUM-21, mm

Special features

Closed, anodized aluminum adapter

Dimensions equivalent to the standard size for recirculating ball bearings

Equipped with JUM-01 liners made from iglide® J

Secured by retaining clips according to DIN 471 or 472 (not included in delivery)

Recommended housing bore H7

Low Clearance Linear plain bearing
RJUM-21, mm


Part No.:
d1 [mm]:

Inner diameter, load capacity and weight

Order no.	Shaft Ø	Tolerance bearing inner diameter	pmax. [lbs] dynamic P = 725 psi	pmax. [lbs] static P = 5075 psi	Weight
	[mm]	[mm]			[g]
RJZM-21-05⁽¹⁾	5	0,025-0,060	525 N	3675 N	5	Upon request
RJZM-21-08⁽¹⁾	8	0,032-0,070	960 N	6720 N	9	Upon request
RJUM-21-10	10	0,030-0,088	725 N	5075 N	14	Upon request
RJUM-21-12	12	0,030-0,088	960 N	6720 N	21	Upon request
RJUM-21-16	16	0,030-0,088	1440 N	10080 N	28	Upon request
RJUM-21-20	20	0,030-0,091	2250 N	15750 N	49	Upon request
RJUM-21-25	25	0,030-0,091	3625 N	25375 N	108	Upon request
RJUM-21-30	30	0,040-0,110	5100 N	35700 N	162	Upon request
RJUM-21-40	40	0,040-0,115	8000 N	56000 N	334	Upon request
RJUM-21-50	50	0,050-0,130	12500 N	87500 N	579	Upon request
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Tolerance according to igus® test method
Nominal widths under 10 mm are supplied with press-fitted cylindrical bearings (1) Nominal widths under 10 mm are supplied with press-fitted cylindrical bearings

igus® test method

Dimensions [mm]

Order no.	d1	d2	B	B1	s	dn
	[mm]	[mm] h7	[mm] h10	[mm] H10	[mm] H10	[mm] h10
RJZM-21-05⁽¹⁾	5	12	22	14.2	1.1	11.5
RJZM-21-08⁽¹⁾	8	16	25	16.2	1.1	15.2
RJUM-21-10	10	19	29	21.6	1.3	17.5
RJUM-21-12	12	22	32	22.6	1.3	20.5
RJUM-21-16	16	26	36	24.6	1.3	24.2
RJUM-21-20	20	32	45	31.2	1.6	29.6
RJUM-21-25	25	40	58	43.7	1.85	36.5
RJUM-21-30	30	47	68	51.7	1.85	43.5
RJUM-21-40	40	62	80	60.3	2.15	57.8
RJUM-21-50	50	75	100	77.3	2.65	70.5
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